CVE-2016-2167

NameCVE-2016-2167
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-448-1, DSA-3561-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
subversion (PTS)stretch1.9.5-1+deb9u5fixed
stretch (security)1.9.5-1+deb9u6fixed
buster, buster (security)1.10.4-1+deb10u2fixed
bookworm, bullseye, sid1.14.1-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
subversionsourcewheezy1.6.17dfsg-4+deb7u11DLA-448-1
subversionsourcejessie1.8.10-6+deb8u4DSA-3561-1
subversionsource(unstable)1.9.4-1

Notes

https://subversion.apache.org/security/CVE-2016-2167-advisory.txt

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