CVE-2015-8923
UnknownEPSS 2.89%
Last modified
CVE-2015-8923 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.89% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Libarchive | Libarchive | <= 3.1.901a | — |
| Novell | Suse Linux Enterprise Software Development Kit | 12.0 | Sp1 |
| Novell | Suse Linux Enterprise Desktop | 12.0 | Sp1 |
| Novell | Suse Linux Enterprise Server | 12.0 | Sp1 |
| Canonical | Ubuntu Linux | 12.04 | — |
| Canonical | Ubuntu Linux | 14.04 | — |
| Canonical | Ubuntu Linux | 15.10 | — |
| Canonical | Ubuntu Linux | 16.04 | — |
References
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- 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.ubuntu.com/usn/USN-3033-1Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.htmlThird Party Advisory
- 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.ubuntu.com/usn/USN-3033-1Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-8923?
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?
Severity scoring for CVE-2015-8923 is pending analysis. The EPSS model estimates a 2.89% probability of exploitation in the next 30 days.
How do I fix CVE-2015-8923?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-8923?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST