CVE-2018-1000654

NameCVE-2018-1000654
DescriptionGNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted 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 severityhigh
Debian Bugs906768

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libtasn1-6 (PTS)stretch (security), stretch4.10-1.1+deb9u1vulnerable
buster4.13-3vulnerable
bullseye, sid4.16.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libtasn1-3source(unstable)(unfixed)
libtasn1-6sourceexperimental4.14-1
libtasn1-6source(unstable)4.14-2unimportant906768

Notes

https://gitlab.com/gnutls/libtasn1/issues/4
No security impact, does not affect libtasn, but only the asn1Parser from
libtasn1-bin

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