Vulnerability Description
Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | 0.9.7 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00005.html
- http://marc.info/?l=bugtraq&m=130331363227777&w=2
- http://seclists.org/fulldisclosure/2010/Aug/84
- http://secunia.com/advisories/40906Vendor Advisory
- http://secunia.com/advisories/41105
- http://secunia.com/advisories/42309
- http://secunia.com/advisories/42413
- http://secunia.com/advisories/43312
- http://security.FreeBSD.org/advisories/FreeBSD-SA-10:10.openssl.asc
- http://securitytracker.com/id?1024296
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware
- http://www.debian.org/security/2010/dsa-2100
- http://www.mail-archive.com/openssl-dev%40openssl.org/msg28043.html
- http://www.mail-archive.com/openssl-dev%40openssl.org/msg28045.html
- http://www.mail-archive.com/openssl-dev%40openssl.org/msg28049.html
FAQ
What is CVE-2010-2939?
CVE-2010-2939 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-depe...
How severe is CVE-2010-2939?
CVE-2010-2939 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-2939?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.