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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.06% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 64.2% of scored records. A rank, not a probability.
- NVD base score
- 8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2016-09-21 14:00Z10 YR AGO
- Last updated
- 2024-08-06 01:50Z2 YR AGO
- Reserved
- 2016-09-05
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-285Improper AuthorizationClass
- Data version
- 5.1
- Document digest
- 099bfab8015a6d16dc7aa7abd9fc9c0918c8a971958c44d9a8a858b3b71c87ec
05 Affected products
06 References
- github.comhttps://github.com/charybdis-ircd/charybdis/commit/818a3fda944b26d4814132cee14cfda4ea4aa824
- www.debian.orgDSA-3661http://www.debian.org/security/2016/dsa-3661
- github.comhttps://github.com/charybdis-ircd/charybdis/blob/charybdis-3.5.3/NEWS.md
- www.securityfocus.com92761http://www.securityfocus.com/bid/92761
- www.openwall.com[oss-security] 20160905 Re: CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdishttp://www.openwall.com/lists/oss-security/2016/09/05/8
- www.openwall.com[oss-security] 20160904 CVE ID request: certificate spoofing through crafted SASL message in inspircd, charybdishttp://www.openwall.com/lists/oss-security/2016/09/04/3
07 Fixed in
Ubuntu 16.04 LTS
- charybdis No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- charybdis Fixed in 3.4.2-3ubuntu0.1~esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.