CVE-2016-8687

NameCVE-2016-8687
DescriptionStack-based buffer overflow in the safe_fprintf function in tar/util.c in libarchive 3.2.1 allows remote attackers to cause a denial of service via a crafted non-printable multibyte character in a filename.
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-1600-1, DLA-661-1
NVD severitymedium
Debian Bugs840936

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libarchive (PTS)jessie3.1.2-11+deb8u3vulnerable
jessie (security)3.1.2-11+deb8u8fixed
stretch3.2.2-2+deb9u1fixed
stretch (security)3.2.2-2+deb9u2fixed
buster, buster (security)3.3.3-4+deb10u1fixed
bullseye, sid3.4.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libarchivesource(unstable)3.2.1-5840936
libarchivesourcejessie3.1.2-11+deb8u4DLA-1600-1
libarchivesourcewheezy3.0.4-3+wheezy5DLA-661-1

Notes

https://blogs.gentoo.org/ago/2016/09/11/libarchive-bsdtar-stack-based-buffer-overflow-in-bsdtar_expand_char-util-c/
Fixed by: https://github.com/libarchive/libarchive/commit/e37b620fe8f14535d737e89a4dcabaed4517bf1a
https://github.com/libarchive/libarchive/issues/767

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