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CVE-2020-14315

9.8 · CRITICAL

A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3.

Published Sep 16, 2020CWE-787EPSS 2.60%

Overview

CVE-2020-14315 is a critical-severity vulnerability. It was published on September 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 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

A memory corruption vulnerability is present in bspatch as shipped in Colin Percival’s bsdiff tools version 4.3. Insufficient checks when handling external inputs allows an attacker to bypass the sanity checks in place and write out of a dynamically allocated buffer boundaries.

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=1856747Refwww.openwall.com/lists/oss-security/2020/07/09/2Refwww.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/Refbugzilla.redhat.com/show_bug.cgi?id=1856747Refwww.openwall.com/lists/oss-security/2020/07/09/2Refwww.x41-dsec.de/lab/advisories/x41-2020-006-bspatch/

How CyberStrike helps

Frequently asked questions

What is CVE-2020-14315?

CVE-2020-14315 is a critical-severity vulnerability. It was published on September 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-14315?

This vulnerability has a CVSS 3.1 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-2020-14315?

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-2020-14315?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-14315 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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