National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2008-2377 Detail

Description

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.

Source:  MITRE
Description Last Modified:  08/08/2008

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.6 HIGH
Vector: (AV:N/AC:H/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (08/11/2008)

Not vulnerable. This issue did not affect the versions of gnutls as shipped with Red Hat Enterprise Linux 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://article.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/2947 Patch
http://www.gnu.org/software/gnutls/security.html
http://www.nabble.com/Details-on-the-gnutls_handshake-local-crash-problem--GNUTLS-SA-2008-2--td18205022.html Exploit
http://www.securityfocus.com/bid/30713
http://www.vupen.com/english/advisories/2008/2398
https://exchange.xforce.ibmcloud.com/vulnerabilities/44486
https://issues.rpath.com/browse/RPL-2650

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2008-2377
NVD Published Date:
08/08/2008
NVD Last Modified:
08/07/2017