CVE-2014-3509
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 13.4%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
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 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 13.42% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- openssl/openssl
- Source
- secalert@redhat.com
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.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
- 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
- http://secunia.com/advisories/59700
- http://secunia.com/advisories/59710
- http://secunia.com/advisories/59756
- http://secunia.com/advisories/60022
- http://secunia.com/advisories/60221
- http://secunia.com/advisories/60493
- http://secunia.com/advisories/60684
- http://secunia.com/advisories/60803
- http://secunia.com/advisories/60917
- http://secunia.com/advisories/60921
- http://secunia.com/advisories/60938
- http://secunia.com/advisories/61017
- http://secunia.com/advisories/61100
- http://secunia.com/advisories/61139
- http://secunia.com/advisories/61184
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.