National Cyber-Alert System
Vulnerability Summary for CVE-2008-1950
Original release date:05/21/2008
Last revised:03/13/2009
Source:
US-CERT/NIST
Overview
Integer signedness error in the _gnutls_ciphertext2compressed function in lib/gnutls_cipher.c in libgnutls in GnuTLS before 2.2.4 allows remote attackers to cause a denial of service (buffer over-read and crash) via a certain integer value in the Random field in an encrypted Client Hello message within a TLS record with an invalid Record Length, which leads to an invalid cipher padding length, aka GNUTLS-SA-2008-1-3.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
2.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type:Allows disruption of serviceUnknown
Solution
The vendor has released a statement regarding this issue:
http://lists.gnupg.org/pipermail/gnutls-dev/2006-September/001208.html}
References to Advisories, Solutions, and Tools
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US-CERT Vulnerability Note: VU#659209
Name: VU#659209
External Source: MLIST
Name: [oss-security] 20080520 Re: CVE ID request: GNUTLS
Type: Patch Information
External Source: MLIST
Name: [gnutls-devel] 20080519 GnuTLS 2.2.4 - Security release [GNUTLS-SA-2008-1]
Type: Patch Information
External Source: XF
Name: gnutls-gnutlsciphertext2compressed-bo(42533)
External Source: BID
Name: 29292
External Source: BUGTRAQ
Name: 20080520 Vulnerability Advisory on GnuTLS
External Source: REDHAT
Name: RHSA-2008:0492
External Source: REDHAT
Name: RHSA-2008:0489
External Source: MLIST
Name: [oss-security] 20080520 Re: CVE ID request: GNUTLS
External Source: MLIST
Name: [oss-security] 20080520 Re: CVE ID request: GNUTLS
External Source: MISC
Name: http://www.cert.fi/haavoittuvuudet/advisory-gnutls.html
External Source: CONFIRM
Name: http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0174
External Source: SREASON
Name: 3902
External Source: SECUNIA
Name: 31939
External Source: SECUNIA
Name: 30355
External Source: SUSE
Name: SUSE-SA:2008:046
External Source: MLIST
Name: [gnutls-devel] 20080519 GnuTLS 2.2.5 - Brown paper bag release
External Source: MLIST
Name: [gnutls-devel] 20080519 Re: GnuTLS 2.2.4 - Security release [GNUTLS-SA-2008-1]
External Source: CONFIRM
Name: http://git.savannah.gnu.org/gitweb/?p=gnutls.git;a=commitdiff;h=bc8102405fda11ea00ca3b42acc4f4bce9d6e97b
External Source: FEDORA
Name: FEDORA-2008-4274
External Source: FEDORA
Name: FEDORA-2008-4259
External Source: FEDORA
Name: FEDORA-2008-4183
External Source: CONFIRM
Name: https://issues.rpath.com/browse/RPL-2552
External Source: UBUNTU
Name: USN-613-1
External Source: SECTRACK
Name: 1020059
External Source: BUGTRAQ
Name: 20080522 rPSA-2008-0174-1 gnutls
External Source: MANDRIVA
Name: MDVSA-2008:106
External Source: VUPEN
Name: ADV-2008-1583
External Source: VUPEN
Name: ADV-2008-1582
External Source: DEBIAN
Name: DSA-1581
External Source: CONFIRM
Name: http://sourceforge.net/project/shownotes.php?release_id=600646&group_id=21558
External Source: GENTOO
Name: GLSA-200805-20
External Source: SECUNIA
Name: 30338
External Source: SECUNIA
Name: 30331
External Source: SECUNIA
Name: 30330
External Source: SECUNIA
Name: 30324
External Source: SECUNIA
Name: 30317
External Source: SECUNIA
Name: 30302
External Source: SECUNIA
Name: 30287
