CVE-2019-17362

NameCVE-2019-17362
DescriptionIn LibTomCrypt through 1.18.2, the der_decode_utf8_string function (in der_decode_utf8_string.c) does not properly detect certain invalid UTF-8 sequences. This allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) or read information from other memory locations via carefully crafted DER-encoded data.
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)
ReferencesDLA-1951-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libtomcrypt (PTS)jessie1.17-6vulnerable
jessie (security)1.17-6+deb8u1fixed
stretch1.17-9vulnerable
buster1.18.2-1vulnerable
bullseye, sid1.18.2-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libtomcryptsource(unstable)(unfixed)
libtomcryptsourcejessie1.17-6+deb8u1DLA-1951-1

Notes

https://github.com/libtom/libtomcrypt/issues/507
https://github.com/libtom/libtomcrypt/pull/508

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