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CVE-2018-0487

9.8 · CRITICAL

ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is…

Published Feb 13, 2018CWE-119EPSS 3.26%

Overview

CVE-2018-0487 is a critical-severity vulnerability. It was published on February 13, 2018 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

ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.

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/103056Refsecurity.gentoo.org/glsa/201804-19Reftls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01Refusn.ubuntu.com/4267-1/Refwww.debian.org/security/2018/dsa-4138Refwww.debian.org/security/2018/dsa-4147Refwww.securityfocus.com/bid/103056Refsecurity.gentoo.org/glsa/201804-19Reftls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01Refusn.ubuntu.com/4267-1/

How CyberStrike helps

Frequently asked questions

What is CVE-2018-0487?

CVE-2018-0487 is a critical-severity vulnerability. It was published on February 13, 2018 and has a CVSS 3.0 base score of 9.8 (CRITICAL).

How severe is CVE-2018-0487?

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-2018-0487?

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-2018-0487?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-0487 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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