CVE-2023-39278: sonicwall sonicos Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-39278 is a medium (CVSS 6.5) Stack-based Buffer Overflow vulnerability in sonicwall sonicos. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.4% of scored vulnerabilities.

Timeline

1. 17-10-2023
   PublishedVulnerability first disclosed.
2. 13-09-2024
   Last modifiedVulnerability information updated.

Description

SonicOS post-authentication user assertion failure leads to Stack-Based Buffer Overflow vulnerability via main.cgi leads to a firewall crash.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.