What’s Vulnerable › Vulnerabilities

CVE-2017-17090

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 82.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-12-02 · updated 2026-06-17
• Weakness: CWE-459

Description

An issue was discovered in chan_skinny.c in Asterisk Open Source 13.18.2 and older, 14.7.2 and older, and 15.1.2 and older, and Certified Asterisk 13.13-cert7 and older. If the chan_skinny (aka SCCP protocol) channel driver is flooded with certain requests, it can cause the asterisk process to use excessive amounts of virtual memory, eventually causing asterisk to stop processing requests of any kind.

Affected products

• Digium Asterisk: through 13.8.2; through 14.7.2; through 15.1.2
• 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 (+5)

References

• http://downloads.digium.com/pub/security/AST-2017-013.html
• http://www.securityfocus.com/bid/102023
• http://www.securitytracker.com/id/1039948
• https://issues.asterisk.org/jira/browse/ASTERISK-27452
• https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html
• https://www.debian.org/security/2017/dsa-4076
• https://www.exploit-db.com/exploits/43992/
• http://downloads.digium.com/pub/security/AST-2017-013.html
• http://www.securityfocus.com/bid/102023
• http://www.securitytracker.com/id/1039948
• https://issues.asterisk.org/jira/browse/ASTERISK-27452
• https://lists.debian.org/debian-lts-announce/2017/12/msg00028.html

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