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CVE-2004-1018

HighPublished

Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code...

Published: Dec 8, 2004
Updated: Aug 8, 2024
Assigning CNA: mitre
Evidence observed: Dec 15, 2004

Primary CVSS

10.0/ 10High

nvd · CVSS 2.0

AV:N/AC:L/Au:N/C:C/I:C/A:C

EPSS probability estimate

16.2%

Moderate · next 30 days

Percentile: 96.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Multiple integer handling errors in PHP before 4.3.10 allow attackers to bypass safe mode restrictions, cause a denial of service, or execute arbitrary code via (1) a negative offset value to the shmop_write function, (2) an "integer overflow/underflow" in the pack function, or (3) an "integer overflow/underflow" in the unpack function. NOTE: this issue was originally REJECTed by its CNA before publication, but that decision is in active dispute. This candidate may change significantly in the future as a result of further discussion.

Sources

PHP 3/4/5 - Multiple Local/Remote Vulnerabilities (1)Exploit
Stefan Esser · php · Dec 15, 2004
PHP 3/4/5 - Multiple Local/Remote Vulnerabilities (2)Exploit
Slythers · php · Dec 15, 2004

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