Use-After-Free Vulnerability in GnuPG Affects Certificate Processing
CVE-2010-2547

8.1HIGH

Key Information:

Vendor

Gnupg

Status
Gnupg
Vendor
CVE Published:
5 August 2010

What is CVE-2010-2547?

This vulnerability relates to a use-after-free condition found in the kbx/keybox-blob.c component of GnuPG's GPGSM module. It enables remote attackers to potentially cause a Denial of Service (DoS) or execute arbitrary code by exploiting improperly managed reallocation operations when handling certificates. In particular, the problem arises when a certificate with a large number of Subject Alternate Names is imported or its signature is verified, demonstrating a critical flaw in memory management that could lead to significant security risks.

References

http://www.mandriva.com/security/advisories?name=MDVSA-20...
vendor-advisoryx_refsource_MANDRIVA
http://www.vupen.com/english/advisories/2010/1988
vdb-entryx_refsource_VUPEN
http://lists.opensuse.org/opensuse-security-announce/2010...
vendor-advisoryx_refsource_SUSE

EPSS Score

15% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.