Buffer overflow in GNU Gnutls
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 via a long session id in a ServerHello message.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.112 (95.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.112 · newest: 0.112 · change: 0.000
Affected products
- GNU Gnutls — versions 3.3.0, 3.3.1, 3.3.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.gnutls.org/security.html (Vendor Advisory)
- www-01.ibm.com/support/docview.wss
- www.debian.org/security/2014/dsa-2944 (vendor-advisory)
- secunia.com/advisories/58340 (third-party-advisory)
- rhn.redhat.com/errata/RHSA-2014-0595.html (vendor-advisory)
- www.ubuntu.com/usn/USN-2229-1 (vendor-advisory)
- secunia.com/advisories/58642 (third-party-advisory)
- www.securityfocus.com/bid/67741 (vdb-entry)
- www.novell.com/support/kb/doc.php
- secunia.com/advisories/59057 (third-party-advisory)
Frequently asked questions
- What is CVE-2014-3466?
- CVE-2014-3466 is a vulnerability in GNU Gnutls, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-06-03.
- Is CVE-2014-3466 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.