CVE-2010-2547

moderate-risk
Published 2010-08-05

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.

Do I need to act?

!
15.1% chance of exploitation in next 30 days
EPSS score — higher than 85% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.1/10 High
NETWORK / HIGH complexity

Affected Products (3)

Affected Vendors

Debian Gnupg Fedoraproject

References (36)

Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.htm...
Patch http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
Broken Link http://secunia.com/advisories/38877
Broken Link http://secunia.com/advisories/40718
Broken Link http://secunia.com/advisories/40841
Broken Link http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware...
Broken Link http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
Mailing List http://www.debian.org/security/2010/dsa-2076
Broken Link http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
Broken Link http://www.securityfocus.com/bid/41945
Broken Link http://www.securitytracker.com/id?1024247
Broken Link http://www.vupen.com/english/advisories/2010/1931
Broken Link http://www.vupen.com/english/advisories/2010/1950
Broken Link http://www.vupen.com/english/advisories/2010/1988
Broken Link http://www.vupen.com/english/advisories/2010/2217
Broken Link http://www.vupen.com/english/advisories/2010/3125
Broken Link https://issues.rpath.com/browse/RPL-3229
Mailing List http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.htm...
Patch http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
and 16 more references
46
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 13/34 · Low
Exposure 9/34 · Low