Buffer overflow in GNU Gnutls
CVE-2008-2377
Use-after-free vulnerability in the _gnutls_handshake_hash_buffers_clear function in lib/gnutls_handshake.c in libgnutls in GnuTLS 2.3.5 through 2.4.0 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via TLS transmission of data that is improperly used when the peer calls gnutls_handshake within a normal session, leading to attempted access to a deallocated libgcrypt handle.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.6 (High). Vector: AV:N/AC:H/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.055 (92.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- GNU Gnutls — versions 2.3.5, 2.3.6, 2.3.7
Weakness classification (CWE)
References
- article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947 (mailing-list, Patch)
- issues.rpath.com/browse/RPL-2650
- www.gnu.org/software/gnutls/security.html
- www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2… (mailing-list, Exploit)
- www.vupen.com/english/advisories/2008/2398 (vdb-entry)
- www.securityfocus.com/bid/30713 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/44486 (vdb-entry)
- secunia.com/advisories/31505 (third-party-advisory)