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CVE-2023-24808

5.3 · MEDIUM

PDFio is a C library for reading and writing PDF files.

Published Feb 7, 2023CWE-835EPSS 0.72%

Overview

CVE-2023-24808 is a medium-severity vulnerability. It was published on February 7, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

PDFio is a C library for reading and writing PDF files. In versions prior to 1.1.0 a denial of service (DOS) vulnerability exists in the pdfio parser. Crafted pdf files can cause the program to run at 100% utilization and never terminate. The pdf which causes this crash found in testing is about 28kb in size and was discovered via fuzzing. Anyone who uses this library either as a standalone binary or as a library can be DOSed when attempting to parse this type of file. Web servers or other automated processes which rely on this code to turn pdf submissions into plaintext can be DOSed when an attacker uploads the pdf. Please see the linked GHSA for an example pdf. Users are advised to upgrade. There are no known workarounds for this vulnerability.

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

GitHubgithub.com/michaelrsweet/pdfio/commit/4f10021e7ee527c1aa24853e2947e38e154d9ccbGitHubgithub.com/michaelrsweet/pdfio/security/advisories/GHSA-cjc4-x96x-fvgfGitHubgithub.com/michaelrsweet/pdfio/commit/4f10021e7ee527c1aa24853e2947e38e154d9ccbGitHubgithub.com/michaelrsweet/pdfio/security/advisories/GHSA-cjc4-x96x-fvgf

How CyberStrike helps

Frequently asked questions

What is CVE-2023-24808?

CVE-2023-24808 is a medium-severity vulnerability. It was published on February 7, 2023 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2023-24808?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-24808?

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-2023-24808?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-24808 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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