Integer Overflow or Wraparound Affecting libarchive package, versions <3.0.3-6ubuntu1.3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1204-LIBARCHIVE-328238
- published20 Sept 2016
- disclosed20 Sept 2016
Introduced: 20 Sep 2016
CVE-2015-8933 (opens in a new tab)How to fix?
Upgrade Ubuntu:12.04 libarchive to version 3.0.3-6ubuntu1.3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Ubuntu.
See How to fix? for Ubuntu:12.04 relevant fixed versions and status.
Integer overflow in the archive_read_format_tar_skip function in archive_read_support_format_tar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted tar file.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2015-8933
- http://www.debian.org/security/2016/dsa-3657
- https://security-tracker.debian.org/tracker/CVE-2015-8933
- https://security.gentoo.org/glsa/201701-03
- https://github.com/libarchive/libarchive/issues/548
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
- http://www.openwall.com/lists/oss-security/2016/06/17/2
- http://www.openwall.com/lists/oss-security/2016/06/17/5
- http://www.securityfocus.com/bid/91421
- http://www.ubuntu.com/usn/USN-3033-1