CVE-2018-17230

NameCVE-2018-17230
DescriptionExiv2::ul2Data in types.cpp in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer overflow) via a crafted image file.
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://github.com/Exiv2/exiv2/issues/455
Introduced in: https://github.com/Exiv2/exiv2/commit/3d57bbc6e6036723df3c7da352e40267c90d1640
Fixed by: https://github.com/Exiv2/exiv2/commit/afb98cbc6e288dc8ea75f3394a347fb9b37abc55
Some extra care needs to be applied when fixing isolately the issue in
experimental, as the commit afb98cbc6e288dc8ea75f3394a347fb9b37abc55
would introduce/uncover CVE-2018-17282.

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