CVE-2017-11721

NameCVE-2017-11721
DescriptionBuffer overflow in ioquake3 before 2017-08-02 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted packet.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3941-1, DSA-3948-1
NVD severityhigh (attack range: remote)
Debian Bugs870725, 870811

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ioquake3 (PTS)wheezy1.36+svn2287-1vulnerable
jessie (security), jessie1.36+u20140802+gca9eebb-2+deb8u2fixed
stretch (security), stretch1.36+u20161101+dfsg1-2+deb9u1fixed
buster, sid1.36+u20171122~dfsg-1fixed
iortcw (PTS)stretch/contrib (security), stretch/contrib1.50a+dfsg1-3+deb9u1fixed
sid/contrib, buster/contrib1.51.b+dfsg1-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ioquake3source(unstable)1.36+u20170803+dfsg1-1high870725
ioquake3sourcejessie1.36+u20140802+gca9eebb-2+deb8u2highDSA-3948-1
ioquake3sourcestretch1.36+u20161101+dfsg1-2+deb9u1highDSA-3948-1
ioquake3sourcewheezy(unfixed)end-of-life
iortcwsource(unstable)1.51+dfsg1-3high870811
iortcwsourcestretch1.50a+dfsg1-3+deb9u1highDSA-3941-1

Notes

[wheezy] - ioquake3 <end-of-life> (games are not supported in Wheezy)
https://github.com/ioquake/ioq3/commit/d2b1d124d4055c2fcbe5126863487c52fd58cca1
https://github.com/iortcw/iortcw/commit/260c39a29af517a08b3ee1a0e78ad654bdd70934
Also affects openjk (only in experimental; fixed in 0~20170718+dfsg1-2

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