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CVE-2014-6603

5.0 · MEDIUM

The SSHParseBanner function in SSH parser (app-layer-ssh.c) in Suricata before 2.0.4 allows remote attackers to bypass SSH rules, cause a denial of service (crash), or possibly have unspecified oth…

Published Oct 7, 2014openinfosecfoundationCWE-399EPSS 3.24%

Overview

CVE-2014-6603 is a medium-severity vulnerability affecting openinfosecfoundation suricata. It was published on October 7, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

The SSHParseBanner function in SSH parser (app-layer-ssh.c) in Suricata before 2.0.4 allows remote attackers to bypass SSH rules, cause a denial of service (crash), or possibly have unspecified other impact via a crafted banner, which triggers a large memory allocation or an out-of-bounds write.

Remediation

Check the references section for vendor advisories and patches from openinfosecfoundation. Update suricata to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
openinfosecfoundationsuricata0Affected

References

Reflists.fedoraproject.org/pipermail/package-announce/2014-October/139630.htmlReflists.fedoraproject.org/pipermail/package-announce/2014-October/139821.htmlRefpacketstormsecurity.com/files/128382/Suricata-2.0.3-Out-Of-Bounds-Access.htmlRefseclists.org/fulldisclosure/2014/Sep/79Refwww.securityfocus.com/archive/1/533515/100/0/threadedRefwww.securityfocus.com/bid/70083Refexchange.xforce.ibmcloud.com/vulnerabilities/96157Reflists.fedoraproject.org/pipermail/package-announce/2014-October/139630.htmlReflists.fedoraproject.org/pipermail/package-announce/2014-October/139821.htmlRefpacketstormsecurity.com/files/128382/Suricata-2.0.3-Out-Of-Bounds-Access.html

How CyberStrike helps

Frequently asked questions

What is CVE-2014-6603?

CVE-2014-6603 is a medium-severity vulnerability affecting openinfosecfoundation suricata. It was published on October 7, 2014 and has a CVSS 2.0 base score of 5.0 (MEDIUM).

How severe is CVE-2014-6603?

This vulnerability has a CVSS 2.0 base score of 5.0, 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-2014-6603?

Check the references section for vendor advisories and patches from openinfosecfoundation. Update suricata to the latest patched version. 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-2014-6603?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-6603 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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