CVE-2018-10780

NameCVE-2018-10780
DescriptionExiv2::Image::byteSwap2 in image.cpp in Exiv2 0.26 has a heap-based buffer over-read.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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)jessie0.24-4.1fixed
jessie (security)0.24-4.1+deb8u2fixed
stretch (security), stretch0.25-3.1+deb9u1fixed
buster, sid0.25-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
exiv2source(unstable)(not affected)
exiv2sourceexperimental(unfixed)medium

Notes

- exiv2 <not-affected> (Vulnerable code introduced later)
https://bugzilla.redhat.com/show_bug.cgi?id=1575201
Commit https://github.com/Exiv2/exiv2/commit/74cb5bab132ed76adf15df172c5e8b58cddaa96c
adresses an overflow, but not solving the invalid write of size 1 via
Exiv2::Image::printIFDStructure.
Commit https://github.com/Exiv2/exiv2/commit/8ff26931e31bb25d66c69846f47f3f5b6d9a32f1
avoids using Image::printStructure() when reading images.

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