CVE-2023-34474: fedoraproject extra_packages_for_enterprise_linux Heap-based Buffer Overflow

Vulnerability summary

CVE-2023-34474 is a medium (CVSS 5.5) Heap-based Buffer Overflow vulnerability in fedoraproject extra_packages_for_enterprise_linux. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 30% of scored vulnerabilities.

Timeline

1. 16-06-2023
   PublishedVulnerability first disclosed.
2. 02-08-2024
   Last modifiedVulnerability information updated.

Description

A heap-based buffer overflow issue was discovered in ImageMagick's ReadTIM2ImageData() function in coders/tim2.c. A local attacker could trick the user in opening specially crafted file, triggering an out-of-bounds read error, allowing an application to crash, resulting in a denial of service.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.