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CVE-2017-12111

8.8 · HIGH

An exploitable out-of-bounds vulnerability exists in the xls_addCell function of libxls 1.4.

Published Nov 20, 2017CWE-787EPSS 2.15%

Overview

CVE-2017-12111 is a high-severity vulnerability. It was published on November 20, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An exploitable out-of-bounds vulnerability exists in the xls_addCell function of libxls 1.4. A specially crafted XLS file with a formula record can cause memory corruption resulting in remote code execution. An attacker can send a malicious XLS file to trigger 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

Refsecurity.gentoo.org/glsa/202003-64Refwww.debian.org/security/2018/dsa-4173Refwww.talosintelligence.com/vulnerability_reports/TALOS-2017-0463Refsecurity.gentoo.org/glsa/202003-64Refwww.debian.org/security/2018/dsa-4173Refwww.talosintelligence.com/vulnerability_reports/TALOS-2017-0463

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12111?

CVE-2017-12111 is a high-severity vulnerability. It was published on November 20, 2017 and has a CVSS 3.0 base score of 8.8 (HIGH).

How severe is CVE-2017-12111?

This vulnerability has a CVSS 3.0 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-12111?

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-2017-12111?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12111 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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