National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-0731 Detail

Description

The gnutls_x509_crt_get_serial function in the GnuTLS library before 1.2.1, when running on big-endian, 64-bit platforms, calls the asn1_read_value with a pointer to the wrong data type and the wrong length value, which allows remote attackers to bypass the certificate revocation list (CRL) check and cause a stack-based buffer overflow via a crafted X.509 certificate, related to extraction of a serial number.

Source:  MITRE
Description Last Modified:  03/26/2010

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


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

Evaluator Solution

Per: http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230 "Please note that the problem was solved for GnuTLS 1.2.1, released on 2005-04-04. Also, 32-bit platforms are not affected. I have added information about this on http://www.gnu.org/software/gnutls/security.html so that it contains the complete list of known security flaws. I'm using the keyword GNUTLS-SA-2010-1 for this."

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
http://thread.gmane.org/gmane.comp.encryption.gpg.gnutls.devel/4230 Exploit
http://www.mandriva.com/security/advisories?name=MDVSA-2010:089
http://www.redhat.com/support/errata/RHSA-2010-0167.html
http://www.securityfocus.com/bid/38959
http://www.vupen.com/english/advisories/2010/0713 Patch Vendor Advisory
http://www.vupen.com/english/advisories/2010/1054
https://bugzilla.redhat.com/show_bug.cgi?id=573028 Exploit
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9759

References to Check Content

Identifier:
oval:org.mitre.oval:def:9759
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9759

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-0731
NVD Published Date:
03/26/2010
NVD Last Modified:
09/18/2017