CVE-2017-12955

NameCVE-2017-12955
DescriptionThere is a heap-based buffer overflow in basicio.cpp of Exiv2 0.26. The vulnerability causes an out-of-bounds write in Exiv2::Image::printIFDStructure(), which may lead to remote denial of service or possibly unspecified other impact.
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
exiv2 (PTS)wheezy0.23-1fixed
wheezy (security)0.23-1+deb7u1fixed
jessie0.24-4.1vulnerable
buster, sid, stretch0.25-3.1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exiv2source(unstable)(unfixed)medium
exiv2sourcewheezy(not affected)

Notes

[wheezy] - exiv2 <not-affected> (Vulnerable code not present)
https://github.com/Exiv2/exiv2/issues/58
https://bugzilla.redhat.com/show_bug.cgi?id=1482295
Not reproducible in wheezy/jessie/stretch/sid(0.25-3.1) => "The memory contains data of an unknown image type"
Reproducible in experimental (0.26-1).

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