Multiple Asterisk Products Denial of Service Vulnerability: CVE-2017-9359

by CIRT Team

Description: The multi-part body parser in PJSIP, as used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, Certified Asterisk 13.13 before 13.13-cert4, and other products, allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.

Impact: Attackers can exploit this issue to crash the affected application, resulting in a denial-of-service condition.

Mitigation: Updates are available. Please see the references for more information.

Reference URL’s:

• https://nvd.nist.gov/vuln/detail/CVE-2017-9359
• http://www.securityfocus.com/bid/98578/info
• https://issues.asterisk.org/jira/browse/ASTERISK-26939
• http://downloads.asterisk.org/pub/security/AST-2017-003.html

CIRT Team

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