CVE-2010-2547

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.

Category

8.1
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 15.10% Top 10%
Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory slackware.com Vendor Advisory gnupg.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com Vendor Advisory vupen.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.mandriva.com/security/advisories?name=MDVSA-2010:143 vendor advisory broken link
http://www.vupen.com/english/advisories/2010/1988 vdb entry broken link vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html mailing list third party advisory vendor advisory
https://issues.rpath.com/browse/RPL-3229 broken link
http://www.vupen.com/english/advisories/2010/1931 vdb entry broken link vendor advisory
http://www.securityfocus.com/bid/41945 vdb entry third party advisory broken link
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html mailing list third party advisory vendor advisory
http://www.debian.org/security/2010/dsa-2076 mailing list third party advisory vendor advisory
http://www.securitytracker.com/id?1024247 vdb entry third party advisory broken link
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html mailing list patch vendor advisory
http://secunia.com/advisories/38877 broken link third party advisory vendor advisory
http://secunia.com/advisories/40841 broken link third party advisory vendor advisory
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076 broken link
http://secunia.com/advisories/40718 broken link third party advisory vendor advisory
http://www.vupen.com/english/advisories/2010/3125 vdb entry broken link
http://www.vupen.com/english/advisories/2010/1950 vdb entry broken link vendor advisory
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008 vendor advisory broken link
http://www.vupen.com/english/advisories/2010/2217 vdb entry broken link

Frequently Asked Questions

What is the severity of CVE-2010-2547?
CVE-2010-2547 has been scored as a high severity vulnerability.
How to fix CVE-2010-2547?
To fix CVE-2010-2547, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2010-2547 being actively exploited in the wild?
It is possible that CVE-2010-2547 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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