CVE-2010-2547
HIGH severity · CVSS 8.1 · Use-after-free
8.1CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html ↗
Additional information
- NVD record
- http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.htmlPatch
- http://secunia.com/advisories/38877Advisory
- http://secunia.com/advisories/40718Advisory
- http://secunia.com/advisories/40841Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.htmlAdvisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076