dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.
Weakness
The product does not validate, or incorrectly validates, a certificate.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Gnupg | Gnupg | * | 2.1.0 (excluding) |
| Dirmngr | Ubuntu | hardy | * |
| Dirmngr | Ubuntu | lucid | * |
| Dirmngr | Ubuntu | maverick | * |
| Dirmngr | Ubuntu | natty | * |
| Dirmngr | Ubuntu | upstream | * |
Potential Mitigations
Related Attack Patterns
References
- https://access.redhat.com/security/cve/cve-2011-2207
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207
- https://security-tracker.debian.org/tracker/CVE-2011-2207
- https://www.openwall.com/lists/oss-security/2011/06/15/6
- https://access.redhat.com/security/cve/cve-2011-2207
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207
- https://security-tracker.debian.org/tracker/CVE-2011-2207
- https://www.openwall.com/lists/oss-security/2011/06/15/6