Advisories

Solanum before commit 2ce64de Heap Buffer Overflow via JOIN and SJOIN

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Severity
high
Date
Affecting
  • solanum >= 0, < 2ce64debf65e9710e9eea099ada93dbf6655b5ff

CWE
  • CWE-122 Heap-based Buffer Overflow
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Credit
Tristan Madani (Talence Security), aaronmdjones
Description
Solanum before commit 2ce64de contains a heap-based buffer overflow vulnerability that allows a malicious linked server to corrupt memory by sending overlong channel names in JOIN or SJOIN messages. Attackers controlling a peer server can trigger strcpy and sprintf overflows in ms_join and ms_sjoin to crash the ircd or potentially achieve remote code execution.

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