CVE-2008-1949
The _gnutls_recv_client_kx_message function in lib/gnutls_kx.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 continues to process Client Hello messages within a TLS message after one has already been processed, which allows remote attackers to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The _gnutls_recv_client_kx_message function in lib/gnutls_kx.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 continues to process Client Hello messages within a TLS message after one has already been processed, which allows remote attackers to cause a denial of service (NULL dereference and crash) via a TLS message containing multiple Client Hello messages, aka GNUTLS-SA-2008-1-2.
- CVSS 2.0
- 9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
- EPSS
- 5.77% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- gnu/gnutls
- Source
- secalert@redhat.com
References
- http://git.savannah.gnu.org/gitweb/?p=gnutls.git%3Ba=commitdiff%3Bh=bc8102405fda11ea00ca3b42acc4f4bce9d6e97b
- http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00051.html
- http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00055.html
- http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2008-09/msg00003.html
- http://secunia.com/advisories/30287Vendor Advisory
- http://secunia.com/advisories/30302Vendor Advisory
- http://secunia.com/advisories/30317Vendor Advisory
- http://secunia.com/advisories/30324Vendor Advisory
- http://secunia.com/advisories/30330Vendor Advisory
- http://secunia.com/advisories/30331Vendor Advisory
- http://secunia.com/advisories/30338Vendor Advisory
- http://secunia.com/advisories/30355
- http://secunia.com/advisories/31939
- http://security.gentoo.org/glsa/glsa-200805-20.xml
- http://securityreason.com/securityalert/3902
- http://sourceforge.net/project/shownotes.php?release_id=600646&group_id=21558
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0174
- http://www.cert.fi/haavoittuvuudet/advisory-gnutls.htmlExploit
- http://www.debian.org/security/2008/dsa-1581
- http://www.kb.cert.org/vuls/id/252626US Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:106
- http://www.openwall.com/lists/oss-security/2008/05/20/1
- http://www.openwall.com/lists/oss-security/2008/05/20/2
- http://www.openwall.com/lists/oss-security/2008/05/20/3
- http://www.redhat.com/support/errata/RHSA-2008-0489.html
- http://www.redhat.com/support/errata/RHSA-2008-0492.html
- http://www.securityfocus.com/archive/1/492282/100/0/threaded
- http://www.securityfocus.com/archive/1/492464/100/0/threaded
- http://www.securityfocus.com/bid/29292Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.