What’s Vulnerable › Vulnerabilities

CVE-2017-17664

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 32.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-12-13 · updated 2026-06-17
• Weakness: CWE-119

Description

A Remote Crash issue was discovered in Asterisk Open Source 13.x before 13.18.4, 14.x before 14.7.4, and 15.x before 15.1.4 and Certified Asterisk before 13.13-cert9. Certain compound RTCP packets cause a crash in the RTCP Stack.

Affected products

• Digium Asterisk: from 13.0.0 before 13.18.4; from 14.0.0 before 14.7.4; from 15.0.0 before 15.1.4 — fixed in 13.18.4, 14.7.4, 15.1.4
• Digium Certified Asterisk: through 13.13; 13.13-cert1, 13.13-cert1_rc1, 13.13-cert1_rc2, 13.13-cert1_rc3, 13.13-cert1_rc4, 13.13-cert2 (+6)

How to fix

Upgrade to a fixed version: Digium Asterisk 13.18.4, 14.7.4, 15.1.4. Check the vendor advisory for mitigations.

References

• http://downloads.digium.com/pub/security/AST-2017-012.html
• http://www.securityfocus.com/bid/102201
• http://www.securitytracker.com/id/1040009
• https://issues.asterisk.org/jira/browse/ASTERISK-27382
• https://issues.asterisk.org/jira/browse/ASTERISK-27429
• https://www.debian.org/security/2017/dsa-4076
• http://downloads.digium.com/pub/security/AST-2017-012.html
• http://www.securityfocus.com/bid/102201
• http://www.securitytracker.com/id/1040009
• https://issues.asterisk.org/jira/browse/ASTERISK-27382
• https://issues.asterisk.org/jira/browse/ASTERISK-27429
• https://www.debian.org/security/2017/dsa-4076

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