CVE-2010-2547

HIGH

GnuPG 2.0.0-2.0.16 - Use-After-Free in Keybox Blob Certificate Handling

Title source: llm
STIX 2.1

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.

References (18)

Core 18
Core References
Broken Link vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
Broken Link, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/1988
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
Broken Link x_refsource_confirm
https://issues.rpath.com/browse/RPL-3229
Broken Link, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/1931
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/41945
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2010/dsa-2076
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1024247
Patch, Vendor Advisory mailing-list x_refsource_mlist
http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
Broken Link, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/38877
Broken Link, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/40841
Broken Link, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/40718
Broken Link vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/3125
Broken Link, Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/1950
Broken Link vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2010/2217

Scores

CVSS v3 8.1
EPSS 0.0534
EPSS Percentile 91.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (3)
debian/debian_linux 5.0
fedoraproject/fedora 13
gnupg/gnupg 2.0.0 - 2.0.16
Published Aug 05, 2010
Tracked Since Feb 18, 2026