CVE-2021-4034

CVE-2021-4034용 사전 컴파일 빌드입니다.

물론 사전 컴파일된 빌드를 신뢰해서는 안 됩니다 :)

이 릴리스는 약간 다르게 동작합니다: 먼저 최소한의 공유 객체(shared object)가 생성됩니다. 이 객체는 메인 바이너리에 패키징되어 실행 시 드롭됩니다. 종속성(예: 특정 libc 버전 등)을 최소화하기 위해 Musl이 컴파일에 사용됩니다.

감사의 말

• Qualys의 원본 권고: https://www.qualys.com/2022/01/25/cve-2021-4034/pwnkit.txt
• Berdav(Davide Berardi)의 PoC: https://github.com/berdav/CVE-2021-4034
• Blasty([email protected])의 PoC: https://haxx.in/files/blasty-vs-pkexec2.c

바이너리

대상	링크
aarch64	cve-2021-4034_aarch64
aarch64_be	cve-2021-4034_aarch64_be
arm-eabi	cve-2021-4034_arm-eabi
arm-eabihf	cve-2021-4034_arm-eabihf
armeb-eabi	cve-2021-4034_armeb-eabi
armeb-eabihf	cve-2021-4034_armeb-eabihf
armel-eabi	cve-2021-4034_armel-eabi
armel-eabihf	cve-2021-4034_armel-eabihf
armv5l-eabi	cve-2021-4034_armv5l-eabi
armv5l-eabihf	cve-2021-4034_armv5l-eabihf
armv6-eabi	cve-2021-4034_armv6-eabi
armv6-eabihf	cve-2021-4034_armv6-eabihf
armv7l-eabihf	cve-2021-4034_armv7l-eabihf
armv7m-eabi	cve-2021-4034_armv7m-eabi
armv7r-eabihf	cve-2021-4034_armv7r-eabihf
i486	cve-2021-4034_i486
i686	cve-2021-4034_i686
m68k	cve-2021-4034_m68k
mips	cve-2021-4034_mips
mips-n32sf	cve-2021-4034_mips-n32sf
mips-sf	cve-2021-4034_mips-sf
mips64	cve-2021-4034_mips64
mips64-n32	cve-2021-4034_mips64-n32
mips64-n32sf	cve-2021-4034_mips64-n32sf
mips64el	cve-2021-4034_mips64el
mips64el-n32	cve-2021-4034_mips64el-n32
mips64el-n32sf	cve-2021-4034_mips64el-n32sf
mipsel	cve-2021-4034_mipsel
mipsel-n32	cve-2021-4034_mipsel-n32
mipsel-n32sf	cve-2021-4034_mipsel-n32sf
mipsel-sf	cve-2021-4034_mipsel-sf
powerpc	cve-2021-4034_powerpc
powerpc-sf	cve-2021-4034_powerpc-sf
powerpc64	cve-2021-4034_powerpc64
powerpc64le	cve-2021-4034_powerpc64le
powerpcle	cve-2021-4034_powerpcle
powerpcle-sf	cve-2021-4034_powerpcle-sf
riscv32	cve-2021-4034_riscv32
riscv64	cve-2021-4034_riscv64
s390x	cve-2021-4034_s390x
x86_64	cve-2021-4034_x86_64
x86_64-x32	cve-2021-4034_x86_64-x32

빌드

직접 빌드하려면 targets 파일을 수정하여 필요한 아키텍처를 포함시키세요. 그런 다음 build.sh를 실행하세요. Docker가 필요합니다.