Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnupg | Gnupg | >= 2.0.0, <= 2.0.16 |
| Fedoraproject | Fedora | 13 |
| Debian | Debian Linux | 5.0 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.htmMailing ListThird Party Advisory
- http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.htmlPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.htmlMailing ListThird Party Advisory
- http://secunia.com/advisories/38877Broken LinkVendor Advisory
- http://secunia.com/advisories/40718Broken LinkVendor Advisory
- http://secunia.com/advisories/40841Broken LinkVendor Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackwareBroken Link
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076Broken Link
- http://www.debian.org/security/2010/dsa-2076Mailing ListThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:143Broken Link
- http://www.securityfocus.com/bid/41945Broken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1024247Broken LinkThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2010/1931Broken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2010/1950Broken LinkVendor Advisory
- http://www.vupen.com/english/advisories/2010/1988Broken LinkVendor Advisory
FAQ
What is CVE-2010-2547?
CVE-2010-2547 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 certificat...
How severe is CVE-2010-2547?
CVE-2010-2547 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2010-2547?
Check the references section above for vendor advisories and patch information. Affected products include: Gnupg Gnupg, Fedoraproject Fedora, Debian Debian Linux.