CVE-2016-9448

NameCVE-2016-9448
DescriptionThe TIFFFetchNormalTag function in LibTiff 4.0.6 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) by setting the tags TIFF_SETGET_C16ASCII or TIFF_SETGET_C32_ASCII to values that access 0-byte arrays. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-9297.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tiff (PTS)wheezy4.0.2-6+deb7u5fixed
wheezy (security)4.0.2-6+deb7u16fixed
jessie (security), jessie4.0.3-12.3+deb8u4fixed
stretch (security), stretch4.0.8-2+deb9u1fixed
buster, sid4.0.8-5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tiffsource(unstable)(not affected)

Notes

- tiff <not-affected> (Vulnerable code introduced by fix for CVE-2016-9297)
http://bugzilla.maptools.org/show_bug.cgi?id=2593
Regression introduced by previous fix done on 2016-11-11 for CVE-2016-9297

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