Vulnerability Description
The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows remote attackers to cause a denial of service (crash) via a crafted zip file.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libarchive | Libarchive | <= 3.1.901a |
| Novell | Suse Linux Enterprise Software Development Kit | 12.0 |
| Novell | Suse Linux Enterprise Desktop | 12.0 |
| Novell | Suse Linux Enterprise Server | 12.0 |
| Canonical | Ubuntu Linux | 12.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/06/17/5Third Party Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.h
- http://www.securityfocus.com/bid/91309
- http://www.ubuntu.com/usn/USN-3033-1Third Party Advisory
- https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchThird Party Advisory
- https://github.com/libarchive/libarchive/issues/514
- https://security.gentoo.org/glsa/201701-03
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.openwall.com/lists/oss-security/2016/06/17/2Third Party Advisory
FAQ
What is CVE-2015-8923?
CVE-2015-8923 is a vulnerability with a CVSS score of 6.5 (MEDIUM). The process_extra function in libarchive before 3.2.0 uses the size field and a signed number in an offset, which allows remote attackers to cause a denial of service (crash) via a crafted zip file.
How severe is CVE-2015-8923?
CVE-2015-8923 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-8923?
Check the references section above for vendor advisories and patch information. Affected products include: Libarchive Libarchive, Novell Suse Linux Enterprise Software Development Kit, Novell Suse Linux Enterprise Desktop, Novell Suse Linux Enterprise Server, Canonical Ubuntu Linux.