CVE-2018-19543

NameCVE-2018-19543
DescriptionAn issue was discovered in JasPer 2.0.14. There is a heap-based buffer over-read of size 8 in the function jp2_decode in libjasper/jp2/jp2_dec.c.
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
jasper (PTS)jessie1.900.1-debian1-2.4+deb8u3vulnerable
jessie (security)1.900.1-debian1-2.4+deb8u6vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
jaspersource(unstable)(unfixed)medium

Notes

[jessie] - jasper <postponed> (Code appears to work correctly but wait for more information)
https://github.com/mdadams/jasper/issues/182
This issue is reproducible with ASAN, however without ASAN the guard,
introduced with the fix for CVE-2014-8138, works as expected and
jasper terminates properly. Still I am going to mark this bug as
postponed until we receive feedback from upstream.

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