CVE-2017-1000071

NameCVE-2017-1000071
DescriptionJasig phpCAS version 1.3.4 is vulnerable to an authentication bypass in the validateCAS20 function when configured to authenticate against an old CAS server.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs868466

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php-cas (PTS)wheezy, wheezy (security)1.3.1-4+deb7u1vulnerable
jessie1.3.3-1vulnerable
buster, sid, stretch1.3.3-4vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php-cassource(unstable)(unfixed)medium868466

Notes

[stretch] - php-cas <no-dsa> (Minor issue)
[jessie] - php-cas <no-dsa> (Minor issue)
[wheezy] - php-cas <no-dsa> (Minor issue, only works with old CAS server)
https://github.com/Jasig/phpCAS/issues/228
The vulnerability only exists when the server is affected by
another very old vulnerability fixed in 2010.

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