CVE-2016-7145

critical
Published 2017-03-07 · Modified 2026-05-13
CVSS v3
9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2
7.5
VIR risk
9.8

Description

The m_authenticate function in ircd/m_authenticate.c in nefarious2 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

Predictions

Exploit likelihood
97%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://github.com/evilnet/nefarious2/commit/f50a84bad996d438e7b31b9e74c32a41e43f8be5

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://www.openwall.com/lists/oss-security/2016/09/05/9

Application impact

VendorProductVersionsFixed
nefarious2_projectnefarious22.0

References

CWEs

CWE-287

Verify integrity in audit chain (admin only). AS-IS.