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, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-448-1, DSA-3561-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
subversion (PTS)wheezy1.6.17dfsg-4+deb7u10vulnerable
wheezy (security)1.6.17dfsg-4+deb7u12fixed
jessie (security), jessie1.8.10-6+deb8u5fixed
stretch (security), stretch1.9.5-1+deb9u1fixed
buster, sid1.9.7-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
subversionsource(unstable)1.9.4-1medium
subversionsourcejessie1.8.10-6+deb8u4mediumDSA-3561-1
subversionsourcewheezy1.6.17dfsg-4+deb7u11mediumDLA-448-1

Notes

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

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