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CVE-2016-6250

Status Candidate

Overview

Integer overflow in the ISO9660 writer in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via vectors related to verifying filename lengths when writing an ISO9660 archive, which trigger a buffer overflow.

Related Files

Ubuntu Security Notice USN-3225-1
Posted Mar 10, 2017
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3225-1 - It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled filename lengths when writing ISO9660 archives. A remote attacker could use this issue to cause libarchive to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-5418, CVE-2016-6250, CVE-2016-7166, CVE-2016-8687, CVE-2016-8688, CVE-2016-8689, CVE-2017-5601
MD5 | ceb27b9d487cbc12ed4c396119dc9994
Red Hat Security Advisory 2016-1844-01
Posted Sep 12, 2016
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2016-1844-01 - The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers. Security Fix: A flaw was found in the way libarchive handled hardlink archive entries of non-zero size. Combined with flaws in libarchive's file system sandboxing, this issue could cause an application using libarchive to overwrite arbitrary files with arbitrary data from the archive.

tags | advisory, arbitrary, python
systems | linux, redhat
advisories | CVE-2015-8916, CVE-2015-8917, CVE-2015-8919, CVE-2015-8920, CVE-2015-8921, CVE-2015-8922, CVE-2015-8923, CVE-2015-8924, CVE-2015-8925, CVE-2015-8926, CVE-2015-8928, CVE-2015-8930, CVE-2015-8931, CVE-2015-8932, CVE-2015-8934, CVE-2016-1541, CVE-2016-4300, CVE-2016-4302, CVE-2016-4809, CVE-2016-5418, CVE-2016-5844, CVE-2016-6250, CVE-2016-7166
MD5 | 10ea330f0d966c32d82a952ea7fb4c0f
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