Improper Handling of Syntactically Invalid Structure Affecting bsdcpio package, versions <0:3.1.2-10.el7_2
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-RHEL7-BSDCPIO-4635217
- published26 Jul 2021
- disclosed17 Jun 2016
Introduced: 17 Jun 2016
CVE-2015-8921 (opens in a new tab)How to fix?
Upgrade RHEL:7 bsdcpio to version 0:3.1.2-10.el7_2 or higher.
This issue was patched in RHSA-2016:1844.
NVD Description
Note: Versions mentioned in the description apply only to the upstream bsdcpio package and not the bsdcpio package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
The ae_strtofflags function in archive_entry.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mtree file.
References
- http://www.securityfocus.com/bid/91307
- https://github.com/libarchive/libarchive/issues/512
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- https://access.redhat.com/security/cve/CVE-2015-8921
- 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://rhn.redhat.com/errata/RHSA-2016-1850.html
- https://access.redhat.com/errata/RHSA-2016:1844
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
- http://www.ubuntu.com/usn/USN-3033-1