CVE-2023-0667: wireshark foundation wireshark Heap-based Buffer Overflow

Vulnerability summary

CVE-2023-0667 is a medium (CVSS 6.5) Heap-based Buffer Overflow vulnerability in wireshark foundation wireshark. EPSS estimates a 2.01% chance of exploitation in the next 30 days, higher than 80.5% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 07-06-2023
   PublishedVulnerability first disclosed.
2. 03-11-2025
   Last modifiedVulnerability information updated.

Description

Due to failure in validating the length provided by an attacker-crafted MSMMS packet, Wireshark version 4.0.5 and prior, in an unusual configuration, is susceptible to a heap-based buffer overflow, and possibly code execution in the context of the process running Wireshark

• 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.