Vulnerability Description
The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate and bypass intended access restrictions via a realm string that is a prefix of an expected repository realm string.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Subversion | <= 1.8.15 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_
- http://mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/%3CCAP_
- http://subversion.apache.org/security/CVE-2016-2167-advisory.txtVendor Advisory
- http://www.debian.org/security/2016/dsa-3561
- http://www.securityfocus.com/bid/89417
- http://www.securitytracker.com/id/1035706
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slack
- https://security.gentoo.org/glsa/201610-05
- https://www.oracle.com/security-alerts/cpuoct2020.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00043.html
- http://lists.opensuse.org/opensuse-updates/2016-05/msg00044.html
FAQ
What is CVE-2016-2167?
CVE-2016-2167 is a vulnerability with a CVSS score of 6.8 (MEDIUM). The canonicalize_username function in svnserve/cyrus_auth.c in Apache Subversion before 1.8.16 and 1.9.x before 1.9.4, when Cyrus SASL authentication is used, allows remote attackers to authenticate a...
How severe is CVE-2016-2167?
CVE-2016-2167 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2167?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Subversion.