GnuPG Libksba buffer overflow | CVE-2022-3515
NAME
GnuPG Libksba buffer overflow
- Platforms Affected:
GnuPG Libksba 1.6.1 - Risk Level:
9.8 - Exploitability:
Unproven - Consequences:
Gain Access
DESCRIPTION
GnuPG Libksba could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the CRL parser. By sending a specially-crafted data, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS 3.0 Information
- Privileges Required: None
- User Interaction: None
- Scope: Unchanged
- Access Vector: Network
- Access Complexity: Low
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Remediation Level: Official Fix
MITIGATION
Upgrade to the latest version of Libksba (1.6.2 or later), available from the GnuPG Web site. See References.
- Reference Link:
https://www.gnupg.org/blog/20221017-pepe-left-the-ksba.html - Reference Link:
https://www.zerodayinitiative.com/advisories/ZDI-22-1464/
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