CVE-2018-20098

NameCVE-2018-20098
DescriptionThere is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
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

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
exiv2 (PTS)stretch0.25-3.1+deb9u2fixed
stretch (security)0.25-3.1+deb9u1fixed
buster0.25-4+deb10u1fixed
bullseye, sid0.27.3-3fixed

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

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

Notes

- exiv2 <not-affected> (Vulnerable code introduced later)
https://github.com/Exiv2/exiv2/issues/590
https://github.com/Exiv2/exiv2/commit/eff0f52d0466d81beabf304e2500f3039fd90252
https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206

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