Improper Input Validation 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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Start learning- Snyk IDSNYK-UBUNTU1204-LIBARCHIVE-328094
- published21 Sept 2016
- disclosed21 Sept 2016
Introduced: 21 Sep 2016
CVE-2016-4809 (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.
The archive_read_format_cpio_read_header function in archive_read_support_format_cpio.c in libarchive before 3.2.1 allows remote attackers to cause a denial of service (application crash) via a CPIO archive with a large symlink.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-4809
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4809
- http://www.debian.org/security/2016/dsa-3657
- https://security-tracker.debian.org/tracker/CVE-2016-4809
- https://security.gentoo.org/glsa/201701-03
- https://github.com/libarchive/libarchive/commit/fd7e0c02
- https://github.com/libarchive/libarchive/issues/705
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1347084
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://rhn.redhat.com/errata/RHSA-2016-1850.html
- http://www.securityfocus.com/bid/91813