National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-2547 Detail

Current Description

Use-after-free vulnerability in kbx/keybox-blob.c in GPGSM in GnuPG 2.x through 2.0.16 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a certificate with a large number of Subject Alternate Names, which is not properly handled in a realloc operation when importing the certificate or verifying its signature.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 5.1 MEDIUM
Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 4.9


Access Vector (AV): Network
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

Evaluator Impact

Per: http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html 'GnuPG 1.x is NOT affected because it does not come with the GPGSM tool.'

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html Patch Vendor Advisory
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
http://www.debian.org/security/2010/dsa-2076
http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
http://www.securityfocus.com/bid/41945
http://www.securitytracker.com/id?1024247
http://www.vupen.com/english/advisories/2010/1931 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1950 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1988 Vendor Advisory
http://www.vupen.com/english/advisories/2010/2217
http://www.vupen.com/english/advisories/2010/3125
https://issues.rpath.com/browse/RPL-3229

Technical Details

Vulnerability Type (View All)

  • Resource Management Errors (CWE-399)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gnupg:gnupg:2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.1:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.3:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.7:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.8:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.10:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.11:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.12:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.13:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.14:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.15:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:gnupg:gnupg:2.0.16:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-2547
NVD Published Date:
08/05/2010
NVD Last Modified:
12/10/2010