Use After Free in Gnupg
CVE-2010-2547
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.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.053 (92.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.053 · newest: 0.053 · change: 0.000
Affected products
- Gnupg
- Debian Linux — versions 5.0
- Fedoraproject Fedora — versions 13
Weakness classification (CWE)
References
- www.mandriva.com/security/advisories (vendor-advisory, Broken Link)
- www.vupen.com/english/advisories/2010/1988 (vdb-entry, Broken Link, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html (vendor-advisory, Mailing List, Third Party Advisory)
- issues.rpath.com/browse/RPL-3229 (Broken Link)
- www.vupen.com/english/advisories/2010/1931 (vdb-entry, Broken Link, Vendor Advisory)
- www.securityfocus.com/bid/41945 (Third Party Advisory, VDB Entry, vdb-entry, Broken Link)
- lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2010/dsa-2076 (vendor-advisory, Mailing List, Third Party Advisory)
- www.securitytracker.com/id (Third Party Advisory, VDB Entry, vdb-entry, Broken Link)
- lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html (Vendor Advisory, mailing-list, Patch)
Frequently asked questions
- What is CVE-2010-2547?
- CVE-2010-2547 is a high-severity vulnerability in Gnupg, classified under Use After Free. CVSS score: 8.1/10. Published 2010-08-05.
- How severe is CVE-2010-2547?
- High severity. CVSS v3 base score is 8.1 out of 10.