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CVE-2017-2629

4.3 · MEDIUM

curl before 7.53.0 has an incorrect TLS Certificate Status Request extension feature that asks for a fresh proof of the server's certificate's validity in the code that checks for a test success or…

Published Jul 27, 2018CWE-295EPSS 1.23%

Overview

CVE-2017-2629 is a medium-severity vulnerability. It was published on July 27, 2018 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

curl before 7.53.0 has an incorrect TLS Certificate Status Request extension feature that asks for a fresh proof of the server's certificate's validity in the code that checks for a test success or failure. It ends up always thinking there's valid proof, even when there is none or if the server doesn't support the TLS extension in question. This could lead to users not detecting when a server's certificate goes invalid or otherwise be mislead that the server is in a better shape than it is in reality. This flaw also exists in the command line tool (--cert-status).

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/96382Refwww.securitytracker.com/id/1037871Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2629Refcurl.haxx.se/docs/adv_20170222.htmlRefsecurity.gentoo.org/glsa/201703-04Refwww.tenable.com/security/tns-2017-09Refwww.securityfocus.com/bid/96382Refwww.securitytracker.com/id/1037871Refbugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2629Refcurl.haxx.se/docs/adv_20170222.html

How CyberStrike helps

Frequently asked questions

What is CVE-2017-2629?

CVE-2017-2629 is a medium-severity vulnerability. It was published on July 27, 2018 and has a CVSS 3.0 base score of 4.3 (MEDIUM).

How severe is CVE-2017-2629?

This vulnerability has a CVSS 3.0 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-2629?

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-2017-2629?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-2629 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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