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CVE-2023-0950

7.8 · HIGH

Improper Validation of Array Index vulnerability in the spreadsheet component of The Document Foundation LibreOffice allows an attacker to craft a spreadsheet document that will cause an array inde…

Published May 25, 2023CWE-129EPSS 0.30%

Overview

CVE-2023-0950 is a high-severity vulnerability. It was published on May 25, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

Improper Validation of Array Index vulnerability in the spreadsheet component of The Document Foundation LibreOffice allows an attacker to craft a spreadsheet document that will cause an array index underflow when loaded. In the affected versions of LibreOffice certain malformed spreadsheet formulas, such as AGGREGATE, could be created with less parameters passed to the formula interpreter than it expected, leading to an array index underflow, in which case there is a risk that arbitrary code could be executed. This issue affects: The Document Foundation LibreOffice 7.4 versions prior to 7.4.6; 7.5 versions prior to 7.5.1.

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

Reflists.debian.org/debian-lts-announce/2023/08/msg00014.htmlRefsecurity.gentoo.org/glsa/202311-15Refwww.debian.org/security/2023/dsa-5415Refwww.libreoffice.org/about-us/security/advisories/CVE-2023-0950Reflists.debian.org/debian-lts-announce/2023/08/msg00014.htmlRefsecurity.gentoo.org/glsa/202311-15Refwww.debian.org/security/2023/dsa-5415Refwww.libreoffice.org/about-us/security/advisories/CVE-2023-0950

How CyberStrike helps

Frequently asked questions

What is CVE-2023-0950?

CVE-2023-0950 is a high-severity vulnerability. It was published on May 25, 2023 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2023-0950?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. 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-2023-0950?

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-2023-0950?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-0950 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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