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CVE-2023-29581

5.5 · MEDIUM

yasm 1.3.0.55.g101bc has a segmentation violation in the function delete_Token at modules/preprocs/nasm/nasm-pp.c.

Published Apr 12, 2023EPSS 0.34%

Overview

CVE-2023-29581 is a medium-severity vulnerability. It was published on April 12, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

yasm 1.3.0.55.g101bc has a segmentation violation in the function delete_Token at modules/preprocs/nasm/nasm-pp.c. NOTE: although a libyasm application could become unavailable if this were exploited, the vendor's position is that there is no security relevance because there is either supposed to be input validation before data reaches libyasm, or a sandbox in which the application runs.

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

Refbugzilla.redhat.com/show_bug.cgi?id=2186333GitHubgithub.com/yasm/yasm/blob/master/SECURITY.mdGitHubgithub.com/yasm/yasm/issues/216GitHubgithub.com/z1r00/fuzz_vuln/blob/main/yasm/segv/delete_Token/readme.mdRefbugzilla.redhat.com/show_bug.cgi?id=2186333GitHubgithub.com/yasm/yasm/blob/master/SECURITY.mdGitHubgithub.com/yasm/yasm/issues/216GitHubgithub.com/z1r00/fuzz_vuln/blob/main/yasm/segv/delete_Token/readme.md

How CyberStrike helps

Frequently asked questions

What is CVE-2023-29581?

CVE-2023-29581 is a medium-severity vulnerability. It was published on April 12, 2023 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-29581?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-29581?

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-2023-29581?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-29581 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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