Vulnerability Monitor

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CVE-2016-7143

The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

Published

2016-09-21T14:25:26.177

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.1 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-285

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	debian	debian_linux	8.0	Yes
Application	charybdis_project	charybdis	≤ 3.5.2	Yes

References

http://www.debian.org/security/2016/dsa-3661 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/09/04/3 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/09/05/8 Mailing List, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/92761 ([email protected])
https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md Release Notes, Third Party Advisory ([email protected])
https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824 Issue Tracking, Patch ([email protected])
http://www.debian.org/security/2016/dsa-3661 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/09/04/3 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2016/09/05/8 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/92761 (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824 Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)