Resource exhaustion in Certified Asterisk and Asterisk Open Source - #VU9148
Published: November 9, 2017
Vulnerability identifier: #VU9148
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: N/A
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Digium (Linux Support Services)
Affected software:
Certified Asterisk
Asterisk Open Source
Certified Asterisk
Asterisk Open Source
Detailed vulnerability description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in pjsip session resource due to insufficient handling of session objects. A remote attacker can submit specially crafted session objects for processing, consume excessive resources and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists in pjsip session resource due to insufficient handling of session objects. A remote attacker can submit specially crafted session objects for processing, consume excessive resources and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Update Asterisk to version 13.18.1, 14.7.1, 15.1.1.
Update Certified Asterisk to version 13.13-cert7.
Update Certified Asterisk to version 13.13-cert7.