SB2010080501 - Input validation error in GNU GnuPG
Published: August 5, 2010 Updated: July 28, 2020
Security Bulletin ID
SB2010080501
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2010-2547)
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can 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.
Remediation
Install update from vendor's website.
References
- http://lists.fedoraproject.org/pipermail/package-announce/2010-August/044935.html
- http://lists.gnupg.org/pipermail/gnupg-announce/2010q3/000302.html
- http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00001.html
- http://secunia.com/advisories/38877
- http://secunia.com/advisories/40718
- http://secunia.com/advisories/40841
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462008
- http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0076
- http://www.debian.org/security/2010/dsa-2076
- http://www.mandriva.com/security/advisories?name=MDVSA-2010:143
- http://www.securityfocus.com/bid/41945
- http://www.securitytracker.com/id?1024247
- http://www.vupen.com/english/advisories/2010/1931
- http://www.vupen.com/english/advisories/2010/1950
- http://www.vupen.com/english/advisories/2010/1988
- http://www.vupen.com/english/advisories/2010/2217
- http://www.vupen.com/english/advisories/2010/3125
- https://issues.rpath.com/browse/RPL-3229