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CVE-2020-1751

5.1 · MEDIUM

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC.

Published Apr 17, 2020CWE-787EPSS 0.54%

Overview

CVE-2020-1751 is a medium-severity vulnerability. It was published on April 17, 2020 and has a CVSS 3.1 base score of 5.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.1, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

An out-of-bounds write vulnerability was found in glibc before 2.31 when handling signal trampolines on PowerPC. Specifically, the backtrace function did not properly check the array bounds when storing the frame address, resulting in a denial of service or potential code execution. The highest threat from this vulnerability is to system availability.

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=CVE-2020-1751Refsecurity.gentoo.org/glsa/202006-04Refsecurity.netapp.com/advisory/ntap-20200430-0002/Refsourceware.org/bugzilla/show_bug.cgi?id=25423Refusn.ubuntu.com/4416-1/Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1751Refsecurity.gentoo.org/glsa/202006-04Refsecurity.netapp.com/advisory/ntap-20200430-0002/Refsourceware.org/bugzilla/show_bug.cgi?id=25423Refusn.ubuntu.com/4416-1/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-1751?

CVE-2020-1751 is a medium-severity vulnerability. It was published on April 17, 2020 and has a CVSS 3.1 base score of 5.1 (MEDIUM).

How severe is CVE-2020-1751?

This vulnerability has a CVSS 3.1 base score of 5.1, 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-2020-1751?

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-2020-1751?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-1751 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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