CVE-2015-8932

NameCVE-2015-8932
DescriptionThe compress_bidder_init function in archive_read_support_filter_compress.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file, which triggers an invalid left shift.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-554-1, DSA-3657-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libarchive (PTS)wheezy3.0.4-3+wheezy1vulnerable
wheezy (security)3.0.4-3+wheezy6+deb7u1fixed
jessie (security), jessie3.1.2-11+deb8u3fixed
stretch3.2.2-2fixed
buster, sid3.2.2-3.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libarchivesource(unstable)3.2.0-2medium
libarchivesourcejessie3.1.2-11+deb8u2mediumDSA-3657-1
libarchivesourcewheezy3.0.4-3+wheezy2mediumDLA-554-1

Notes

https://github.com/libarchive/libarchive/issues/547
Fixed by: https://github.com/libarchive/libarchive/commit/f0b1dbbc325a2d922015eee402b72edd422cb9ea (v3.1.900a)
and part of https://github.com/libarchive/libarchive/commit/55ce98e829eda3a4356c2be64a778d8740c2cf6c (v3.1.900a)
and https://github.com/libarchive/libarchive/commit/618618c8a6be453f79e0bdbdeab6e1dd8bf429b3 (v3.1.900a)
Part of the problematic code was introduced with commit bf4f6ec64ef3edefbc41172692868fb8df514805
to fix https://github.com/libarchive/libarchive/issues/356

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