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
EPSS: 0.053 (91.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Gnupg
- Debian Debian_linux — versions 5.0
- Fedoraproject Fedora — versions 13
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (vendor-advisory, x_refsource_MANDRIVA, Broken Link)
- secalert@redhat.com (vdb-entry, x_refsource_VUPEN, Broken Link, Vendor Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
- secalert@redhat.com (x_refsource_CONFIRM, Broken Link)
- secalert@redhat.com (vdb-entry, x_refsource_VUPEN, Broken Link, Vendor Advisory)
- secalert@redhat.com (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_BID, Broken Link)
- secalert@redhat.com (vendor-advisory, x_refsource_FEDORA, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (Third Party Advisory, VDB Entry, vdb-entry, x_refsource_SECTRACK, Broken Link)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, 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.