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Vulnerability Details : CVE-2010-2547

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.
Publish Date : 2010-08-05 Last Update Date : 2010-12-10
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of ServiceExecute Code
CWE ID 399

- Additional Vendor Supplied Data

Vendor Impact CVSS Score CVSS Vector Report Date Publish Date
Redhat moderate
AV:N/AC:H/Au:N/C:P/I:P/A:P 2010-07-23 2010-07-23
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- Related OVAL Definitions

Title Definition Id Class Family
CVE-2010-2547 unix
DEPRECATED: ELSA-2010-0603 -- gnupg2 security update (moderate) oval:org.mitre.oval:def:27257 unix
DSA-2076 gnupg2 -- use-after-free oval:org.mitre.oval:def:11631 unix
DSA-2076-1 gnupg2 - execution of arbitrary code oval:org.mitre.oval:def:20091 unix
ELSA-2010:0603: gnupg2 security update (Moderate) oval:org.mitre.oval:def:22992 unix
RHSA-2010:0603: gnupg2 security update (Moderate) oval:org.mitre.oval:def:22297 unix
RHSA-2010:0603: gnupg2 security update (Moderate) oval:com.redhat.rhsa:def:20100603 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2010-2547

# Product Type Vendor Product Version Update Edition Language
1 Application Gnupg Gnupg 2.0 * * * Version Details Vulnerabilities
2 Application Gnupg Gnupg 2.0.1 * * * Version Details Vulnerabilities
3 Application Gnupg Gnupg 2.0.3 * * * Version Details Vulnerabilities
4 Application Gnupg Gnupg 2.0.4 * * * Version Details Vulnerabilities
5 Application Gnupg Gnupg 2.0.5 * * * Version Details Vulnerabilities
6 Application Gnupg Gnupg 2.0.6 * * * Version Details Vulnerabilities
7 Application Gnupg Gnupg 2.0.7 * * * Version Details Vulnerabilities
8 Application Gnupg Gnupg 2.0.8 * * * Version Details Vulnerabilities
9 Application Gnupg Gnupg 2.0.10 * * * Version Details Vulnerabilities
10 Application Gnupg Gnupg 2.0.11 * * * Version Details Vulnerabilities
11 Application Gnupg Gnupg 2.0.12 * * * Version Details Vulnerabilities
12 Application Gnupg Gnupg 2.0.13 * * * Version Details Vulnerabilities
13 Application Gnupg Gnupg 2.0.14 * * * Version Details Vulnerabilities
14 Application Gnupg Gnupg 2.0.15 * * * Version Details Vulnerabilities
15 Application Gnupg Gnupg 2.0.16 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Gnupg Gnupg 15

- References For CVE-2010-2547
SUSE SUSE-SR:2010:020
SLACKWARE SSA:2010-240-01
VUPEN ADV-2010-2217
BID 41945 GnuPG 'GPGSM Tool' Certificate Importing Remote Code Execution Vulnerability Release Date:2010-11-03
FEDORA FEDORA-2010-11413
VUPEN ADV-2010-1931
VUPEN ADV-2010-1950
VUPEN ADV-2010-1988
MLIST [gnupg-announce] 20100723 [Announce] Security Alert for GnuPG 2.0 - Realloc bug in GPGSM
SECTRACK 1024247
VUPEN ADV-2010-3125

- Metasploit Modules Related To CVE-2010-2547

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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