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CVE-2008-1948

Date: (C)2008-05-21   (M)2017-10-04
 
CVSS Score: 10.0Access Vector: NETWORK
Exploitability Subscore: 10.0Access Complexity: LOW
Impact Subscore: 10.0Authentication: NONE
 Confidentiality: COMPLETE
 Integrity: COMPLETE
 Availability: COMPLETE











The _gnutls_server_name_recv_params function in lib/ext_server_name.c in libgnutls in gnutls-serv in GnuTLS before 2.2.4 does not properly calculate the number of Server Names in a TLS 1.0 Client Hello message during extension handling, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a zero value for the length of Server Names, which leads to a buffer overflow in session resumption data in the pack_security_parameters function, aka GNUTLS-SA-2008-1-1.

Reference:
SECTRACK-1020057
http://www.securityfocus.com/archive/1/archive/1/492282/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/492464/100/0/threaded
BID-29292
SECUNIA-30287
SECUNIA-30302
SECUNIA-30317
SECUNIA-30324
SECUNIA-30330
SECUNIA-30331
SECUNIA-30338
SECUNIA-30355
SECUNIA-31939
SREASON-3902
ADV-2008-1582
ADV-2008-1583
DSA-1581
FEDORA-2008-4183
FEDORA-2008-4259
FEDORA-2008-4274
GLSA-200805-20
MDVSA-2008:106
RHSA-2008:0489
RHSA-2008:0492
SUSE-SA:2008:046
USN-613-1
VU#111034
http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00051.html
http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00060.html
http://lists.gnu.org/archive/html/gnutls-devel/2008-05/msg00055.html
http://www.openwall.com/lists/oss-security/2008/05/20/3
gnutls-gnutlsservernamerecvparams-bo(42532)
http://git.savannah.gnu.org/gitweb/?p=gnutls.git;a=commitdiff;h=bc8102405fda11ea00ca3b42acc4f4bce9d6e97b
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
https://issues.rpath.com/browse/RPL-2552

CPE    105
cpe:/a:gnu:gnutls:2.0.4
cpe:/a:gnu:gnutls:2.0.3
cpe:/a:gnu:gnutls:2.0.2
cpe:/a:gnu:gnutls:2.0.1
...
CWE    1
CWE-189
OVAL    3
oval:org.secpod.oval:def:301508
oval:org.secpod.oval:def:20738
oval:org.mitre.oval:def:7887

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