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CVE-2018-7286

6.5 · MEDIUM

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2.

Published Feb 22, 2018EPSS 52.73%

Overview

CVE-2018-7286 is a medium-severity vulnerability. It was published on February 22, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. res_pjsip allows remote authenticated users to crash Asterisk (segmentation fault) by sending a number of SIP INVITE messages on a TCP or TLS connection and then suddenly closing the connection.

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

Refdownloads.asterisk.org/pub/security/AST-2018-005.htmlRefwww.securityfocus.com/bid/103129Refwww.securitytracker.com/id/1040417Refissues.asterisk.org/jira/browse/ASTERISK-27618Refwww.debian.org/security/2018/dsa-4320Refwww.exploit-db.com/exploits/44181/Refdownloads.asterisk.org/pub/security/AST-2018-005.htmlRefwww.securityfocus.com/bid/103129Refwww.securitytracker.com/id/1040417Refissues.asterisk.org/jira/browse/ASTERISK-27618

How CyberStrike helps

Frequently asked questions

What is CVE-2018-7286?

CVE-2018-7286 is a medium-severity vulnerability. It was published on February 22, 2018 and has a CVSS 3.0 base score of 6.5 (MEDIUM).

How severe is CVE-2018-7286?

This vulnerability has a CVSS 3.0 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2018-7286?

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-2018-7286?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-7286 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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