CVE-2018-18521

NameCVE-2018-18521
DescriptionDivide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1689-1, DLA-2802-1
Debian Bugs911413

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
elfutils (PTS)buster0.176-1.1fixed
buster (security)0.176-1.1+deb10u1fixed
bullseye0.183-1fixed
bookworm0.188-2.1fixed
trixie0.190-1fixed
sid0.191-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
elfutilssourcejessie0.159-4.2+deb8u1DLA-1689-1
elfutilssourcestretch0.168-1+deb9u1DLA-2802-1
elfutilssource(unstable)0.175-1low911413

Notes

https://sourceware.org/bugzilla/show_bug.cgi?id=23786
https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.html
https://sourceware.org/git/?p=elfutils.git;a=commit;h=2b16a9be69939822dcafe075413468daac98b327

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