CVE-2026-125403 | BDVDB-2026-402647 Detail
Ettercapettercap
Description#
Ettercap through 0.8.4.1 contains an out-of-bounds read and size_t underflow vulnerability in sslw_remove_sts() in src/ec_sslwrap.c, caused by a stale length and an unchecked memmem() result when stripping Strict-Transport-Security headers. A malicious HTTPS server whose response passes through Ettercap's SSL interception can trigger out-of-bounds reads and memory corruption in the Ettercap process, which normally runs as root.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact high. Attack vector: adjacent.
Weaknesses#
- CWE-125 Out-of-bounds Read
References#
- https://github.com/Ettercap/ettercap/security/advisories/GHSA-hq2w-pg4m-6w63
- 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_sslwrap.c#L1294-L1322
- https://www.vulncheck.com/advisories/ettercap-through-0.8.4.1-out-of-bounds-read-via-sslw-remove-sts
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.