CVE-2018-20712

NameCVE-2018-20712
DescriptionA heap-based buffer over-read exists in the function d_expression_1 in cp-demangle.c in GNU libiberty, as distributed in GNU Binutils 2.31.1. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by c++filt.
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
binutils (PTS)jessie2.25-5+deb8u1vulnerable
stretch2.28-5vulnerable
buster2.31.1-15vulnerable
sid2.31.1-16vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
binutilssource(unstable)(unfixed)medium

Notes

[stretch] - binutils <ignored> (Minor issue)
[jessie] - binutils <ignored> (Minor issue)
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88629
https://sourceware.org/bugzilla/show_bug.cgi?id=24043

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