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 cause a denial of service (NULL dereference and crash) via a TLS message containing multiple Client Hello messages, aka GNUTLS-SA-2008-1-2.

Score

CVSS 2.0 9.3 Critical

Status

Modified - secalert@redhat.com

Published

2008-05-21

Last modified

2024-08-07

Weaknesses

CWE-287

Affected products

• Gnutls (Gnu)

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/30287
• http://secunia.com/advisories/30302
• http://secunia.com/advisories/30317
• http://secunia.com/advisories/30324
• http://secunia.com/advisories/30330
• http://secunia.com/advisories/30331
• http://secunia.com/advisories/30338
• 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.html
• http://www.debian.org/security/2008/dsa-1581
• http://www.kb.cert.org/vuls/id/252626
• 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/29292