Improper input validation in Asterisk Open Source - CVE-2017-14098

 

Improper input validation in Asterisk Open Source - CVE-2017-14098

Published: September 1, 2017


Vulnerability identifier: #VU8065
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-14098
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Asterisk Open Source

Detailed vulnerability description

The vulnerability allows a remote attacker can cause DoS condition on the target system.

The weakness exists due to a flaw in 'pjsip_message_ip_updater'. A remote attacker can submit a specially crafted URI in a 'From', 'To', and 'Contact' header and cause the application to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2017-14098

The vulnerability is addressed in the following versions: 13.17.1, 14.6.1.

Sources