CVE-2007-4661: php

Vulnerability summary

CVE-2007-4661 is a high (CVSS 7.5) vulnerability in php. EPSS estimates a 2.36% chance of exploitation in the next 30 days, higher than 83.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 04-09-2007
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

Description

The chunk_split function in string.c in PHP 5.2.3 does not properly calculate the needed buffer size due to precision loss when performing integer arithmetic with floating point numbers, which has unknown attack vectors and impact, possibly resulting in a heap-based buffer overflow. NOTE: this is due to an incomplete fix for CVE-2007-2872.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
• CWE-399Resource Management ErrorsWeaknesses in this category are related to improper management of system resources.