NULL Pointer Dereference Affecting libarchive package, versions <0:3.1.2-10.11.amzn1
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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- published27 Sept 2021
- disclosed20 Sept 2016
Introduced: 20 Sep 2016
CVE-2015-8926 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 libarchive to version 0:3.1.2-10.11.amzn1 or higher.
This issue was patched in ALAS-2016-743.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libarchive package and not the libarchive package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
The archive_read_format_rar_read_data function in archive_read_support_format_rar.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (crash) via a crafted rar archive.
References
- http://www.securityfocus.com/bid/91304
- https://github.com/libarchive/libarchive/issues/518
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8926
- http://www.debian.org/security/2016/dsa-3657
- https://security.gentoo.org/glsa/201701-03
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
- http://www.openwall.com/lists/oss-security/2016/06/17/2
- http://www.openwall.com/lists/oss-security/2016/06/17/5
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
- http://www.ubuntu.com/usn/USN-3033-1