Vulnerability CVE-2016-7144
Published: 2017-01-18

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.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Unrealircd -> Unrealircd 

 References:
http://www.openwall.com/lists/oss-security/2016/09/04/3
http://www.openwall.com/lists/oss-security/2016/09/05/8
http://www.securityfocus.com/bid/92763
https://forums.unrealircd.org/viewtopic.php?f=1&t=8588
https://github.com/unrealircd/unrealircd/commit/f473e355e1dc422c4f019dbf86bc50ba1a34a766
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