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CVE-2017-12814

9.8 · CRITICAL

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long…

Published Sep 28, 2017CWE-119EPSS 6.98%

Overview

CVE-2017-12814 is a critical-severity vulnerability. It was published on September 28, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.0 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

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.

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

Refwww.securityfocus.com/bid/101051Refperl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Refperl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Refrt.perl.org/Public/Bug/Display.html?id=131665Refsecurity.netapp.com/advisory/ntap-20180426-0001/Refwww.oracle.com/security-alerts/cpujul2020.htmlRefwww.securityfocus.com/bid/101051Refperl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1Refperl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1Refrt.perl.org/Public/Bug/Display.html?id=131665

How CyberStrike helps

Frequently asked questions

What is CVE-2017-12814?

CVE-2017-12814 is a critical-severity vulnerability. It was published on September 28, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2017-12814?

This vulnerability has a CVSS 3.0 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-2017-12814?

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-2017-12814?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-12814 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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