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CVE-2022-3515

9.8 · CRITICAL

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser.

Published Jan 12, 2023CWE-190EPSS 1.65%

Overview

CVE-2022-3515 is a critical-severity vulnerability. It was published on January 12, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for code execution on the target system by passing specially crafted data to the application, for example, a malicious S/MIME attachment.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/security/cve/CVE-2022-3515Refbugzilla.redhat.com/show_bug.cgi?id=2135610Refdev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582bRefsecurity.netapp.com/advisory/ntap-20230706-0008/Refwww.gnupg.org/blog/20221017-pepe-left-the-ksba.htmlRefaccess.redhat.com/security/cve/CVE-2022-3515Refbugzilla.redhat.com/show_bug.cgi?id=2135610Refdev.gnupg.org/rK4b7d9cd4a018898d7714ce06f3faf2626c14582bRefsecurity.netapp.com/advisory/ntap-20230706-0008/Refwww.gnupg.org/blog/20221017-pepe-left-the-ksba.html

How CyberStrike helps

Frequently asked questions

What is CVE-2022-3515?

CVE-2022-3515 is a critical-severity vulnerability. It was published on January 12, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2022-3515?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-3515?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-3515?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-3515 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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