VulnerabilityModified
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.
HIGH 8.1EPSS 1.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.1 HIGHCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.06% probability · 63th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-285
- Affected
- debian/debian linux · charybdis project/charybdis
- Source
- cve@mitre.org
References
- http://www.debian.org/security/2016/dsa-3661Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/04/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/05/8Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92761
- https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.mdRelease Notes, Third Party Advisory
- https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824Issue Tracking, Patch
- http://www.debian.org/security/2016/dsa-3661Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/04/3Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/09/05/8Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/92761
- https://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.mdRelease Notes, Third Party Advisory
- https://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824Issue Tracking, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.