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CVE-2017-14603

7.5 · HIGH

In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could al…

Published Oct 10, 2017CWE-200EPSS 3.16%

Overview

CVE-2017-14603 is a high-severity vulnerability. It was published on October 10, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.

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-2017-008.htmlRefwww.debian.org/security/2017/dsa-3990Refissues.asterisk.org/jira/browse/ASTERISK-27274Refdownloads.asterisk.org/pub/security/AST-2017-008.htmlRefwww.debian.org/security/2017/dsa-3990Refissues.asterisk.org/jira/browse/ASTERISK-27274

How CyberStrike helps

Frequently asked questions

What is CVE-2017-14603?

CVE-2017-14603 is a high-severity vulnerability. It was published on October 10, 2017 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2017-14603?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-14603?

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-2017-14603?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-14603 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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