CVE-2026-125404 | BDVDB-2026-402648 Detail
Ettercapettercap
Description#
Ettercap through 0.8.4.1 contains an integer underflow in ccmp_decrypt() in src/ec_encryption_ccmp.c that subtracts the 8-byte CCMP trailer without checking minimum length. Attackers on a network whose WPA key is loaded can send a short crafted CCMP frame to overflow a stack buffer in the Ettercap process, which normally runs as root.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: adjacent.
Weaknesses#
- CWE-191 Integer Underflow (Wrap or Wraparound)
References#
- https://github.com/Ettercap/ettercap/security/advisories/GHSA-j37f-7jx3-rf8j
- https://github.com/Ettercap/ettercap/commit/1d8badb713579419a29a494bb463a1af59707e98
- https://github.com/Ettercap/ettercap/pull/1330
- https://github.com/Ettercap/ettercap/blob/v0.8.4.1/src/ec_encryption_ccmp.c#L190-L203
- https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-stack-buffer-overflow-via-wpa-ccmp-decryption
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.