CVE-2010-2547: Use After Free

Published Aug 5, 2010
·
Updated

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.

Affected Software

18 affected components
gnupg GnuPG=2.0
gnupg GnuPG=2.0.1
gnupg GnuPG=2.0.3
gnupg GnuPG=2.0.4
gnupg GnuPG=2.0.5
gnupg GnuPG=2.0.6
gnupg GnuPG=2.0.7
gnupg GnuPG=2.0.8
gnupg GnuPG=2.0.10
gnupg GnuPG=2.0.11
gnupg GnuPG=2.0.12
gnupg GnuPG=2.0.13
gnupg GnuPG=2.0.14
gnupg GnuPG=2.0.15
gnupg GnuPG=2.0.16
gnupg GnuPG>=2.0.0<=2.0.16
Fedoraproject Fedora=13
Debian Debian Linux=5.0

Event History

Aug 5, 2010
CVE Published
via MITRE·06:00 PM
Data Sourced
via MITRE·06:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2010-2547?

CVE-2010-2547 has a medium severity, which can cause denial of service and potential arbitrary code execution.

2

How do I fix CVE-2010-2547?

To fix CVE-2010-2547, upgrade GnuPG to version 2.0.17 or later.

3

What software is affected by CVE-2010-2547?

CVE-2010-2547 affects GnuPG versions 2.0.0 through 2.0.16.

4

What type of vulnerability is CVE-2010-2547?

CVE-2010-2547 is a use-after-free vulnerability related to handling certificates.

5

Can CVE-2010-2547 lead to remote attacks?

Yes, CVE-2010-2547 can allow remote attackers to execute arbitrary code by exploiting the vulnerability.

Contact

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