Vulnerability in Apache Subversion
CVE-2016-2167
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.068 (94.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 94.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.068 · newest: 0.068 · change: 0.000
Affected products
- Apache Subversion — versions 1.9.0, 1.9.1, 1.9.2
Weakness classification (CWE)
References
- lists.fedoraproject.org/pipermail/package-announce/2016-May/184545.html (vendor-advisory)
- www.securityfocus.com/bid/89417 (vdb-entry)
- mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/<CAP_GPNgJet+… (mailing-list)
- www.slackware.com/security/viewer.php (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-05/msg00044.html (vendor-advisory)
- mail-archives.apache.org/mod_mbox/subversion-announce/201604.mbox/<CAP_GPNgfn1i… (mailing-list)
- lists.opensuse.org/opensuse-updates/2016-05/msg00043.html (vendor-advisory)
- www.debian.org/security/2016/dsa-3561 (vendor-advisory)
- www.securitytracker.com/id/1035706 (vdb-entry)
- security.gentoo.org/glsa/201610-05 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-2167?
- CVE-2016-2167 is a medium-severity vulnerability in Apache Subversion, classified under Improper Access Control. CVSS score: 6.8/10. Published 2016-05-05.
- How severe is CVE-2016-2167?
- Medium severity. CVSS v3 base score is 6.8 out of 10.