CVE-2014-3466
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.2%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
Buffer overflow in the read_server_hello function in lib/gnutls_handshake.c in GnuTLS before 3.1.25, 3.2.x before 3.2.15, and 3.3.x before 3.3.4 allows remote servers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a long session id in a ServerHello message.
- CVSS 2.0
- 6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 11.22% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- gnu/gnutls
- Source
- secalert@redhat.com
References
- http://linux.oracle.com/errata/ELSA-2014-0594.html
- http://linux.oracle.com/errata/ELSA-2014-0595.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00007.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2014-06/msg00015.html
- http://radare.today/technical-analysis-of-the-gnutls-hello-vulnerability/Exploit, URL Repurposed
- http://rhn.redhat.com/errata/RHSA-2014-0594.html
- http://rhn.redhat.com/errata/RHSA-2014-0595.html
- http://rhn.redhat.com/errata/RHSA-2014-0684.html
- http://rhn.redhat.com/errata/RHSA-2014-0815.html
- http://secunia.com/advisories/58340
- http://secunia.com/advisories/58598
- http://secunia.com/advisories/58601
- http://secunia.com/advisories/58642
- http://secunia.com/advisories/59016
- http://secunia.com/advisories/59021
- http://secunia.com/advisories/59057
- http://secunia.com/advisories/59086
- http://secunia.com/advisories/59408
- http://secunia.com/advisories/59838
- http://secunia.com/advisories/60384
- http://www-01.ibm.com/support/docview.wss?uid=swg21678776
- http://www-947.ibm.com/support/entry/portal/docdisplay?lndocid=MIGR-5096155
- http://www.debian.org/security/2014/dsa-2944
- http://www.gnutls.org/security.htmlVendor Advisory
- http://www.novell.com/support/kb/doc.php?id=7015302
- http://www.novell.com/support/kb/doc.php?id=7015303
- http://www.securityfocus.com/bid/67741
- http://www.securitytracker.com/id/1030314
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.