CVE-2017-9372

High

Published: 02/06/2017(UTC)Translated: 15/06/2026(UTC)NVD NIST

Summary

PJSIP, used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, allows remote attackers to cause a denial of service (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.

Risk Assessment

Attackers can exploit this vulnerability to disrupt system operations, potentially leading to downtime in the organization's communication services.

Recommendation

It is recommended to update Asterisk to the latest version to mitigate this vulnerability and to monitor SIP traffic for potential attacks.

Other vulnerabilities in PJSIP w Asterisk Open Source

CVE-2017-9359High
The multi-part body parser in PJSIP, used in Asterisk Open Source 13.x before 13.15.1 and 14.x before 14.4.1, allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via a crafted packet.

Original NVD description (English source)

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 (buffer overflow and application crash) via a SIP packet with a crafted CSeq header in conjunction with a Via header that lacks a branch parameter.