Vulnerability Description
Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openssl | Openssl | 1.0.0 |
Related Weaknesses (CWE)
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc
- http://linux.oracle.com/errata/ELSA-2014-1052.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.htm
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.htm
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html
- http://marc.info/?l=bugtraq&m=142350350616251&w=2
- http://marc.info/?l=bugtraq&m=142495837901899&w=2
- http://marc.info/?l=bugtraq&m=142624590206005&w=2
- http://marc.info/?l=bugtraq&m=142660345230545&w=2
- http://marc.info/?l=bugtraq&m=142791032306609&w=2
- http://marc.info/?l=bugtraq&m=143290437727362&w=2
- http://marc.info/?l=bugtraq&m=143290522027658&w=2
- http://rhn.redhat.com/errata/RHSA-2015-0197.html
- http://secunia.com/advisories/58962
FAQ
What is CVE-2014-3509?
CVE-2014-3509 is a vulnerability with a CVSS score of 6.8 (MEDIUM). Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL s...
How severe is CVE-2014-3509?
CVE-2014-3509 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2014-3509?
Check the references section above for vendor advisories and patch information. Affected products include: Openssl Openssl.