Vulnerability Description
Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certificate, which triggers a stack-based buffer overflow. Note: this vulnerability exists because of an incorrect fix for CVE-2014-3508.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Libressl | < 2.3.1 |
| Opensuse | Opensuse | 13.2 |
Related Weaknesses (CWE)
References
- http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease NotesVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-LeExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2015/Oct/75ExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link
- http://ftp.openbsd.org/pub/OpenBSD/LibreSSL/libressl-2.3.1-relnotes.txtRelease NotesVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00050.htmlMailing ListThird Party Advisory
- http://packetstormsecurity.com/files/133998/Qualys-Security-Advisory-LibreSSL-LeExploitThird Party AdvisoryVDB Entry
- http://seclists.org/fulldisclosure/2015/Oct/75ExploitMailing ListThird Party Advisory
- http://www.securityfocus.com/archive/1/archive/1/536692/100/0/threadedBroken Link
FAQ
What is CVE-2015-5334?
CVE-2015-5334 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Off-by-one error in the OBJ_obj2txt function in LibreSSL before 2.3.1 allows remote attackers to cause a denial of service (program crash) or possible execute arbitrary code via a crafted X.509 certif...
How severe is CVE-2015-5334?
CVE-2015-5334 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2015-5334?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Libressl, Opensuse Opensuse.