Description
The m_authenticate function in modules/m_sasl.c in UnrealIRCd before 3.2.10.7 and 4.x before 4.0.6 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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Huyn-coder/CVE-2016-7144-IDPS ★ 0 · Jan 13, 2026
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766
- https://forums.unrealircd.org/viewtopic.php?f=1&t=8588
- 92763 vdb-entry
- [oss-security] 20160905 Re: CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdis mailing-list
- [oss-security] 20160904 CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdis mailing-list