Auth bypass in Charybdis Project
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.
EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Charybdis_project Charybdis
- Debian Debian_linux — versions 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Issue Tracking)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory, Release Notes)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2016-7143?
- CVE-2016-7143 is a high-severity vulnerability in Charybdis Project, classified under Improper Authorization. CVSS score: 8.1/10. Published 2016-09-21.
- How severe is CVE-2016-7143?
- High severity. CVSS v3 base score is 8.1 out of 10.