#VU9149 Buffer overflow in Certified Asterisk and Asterisk Open Source
Published: November 9, 2017
Vulnerability identifier: #VU9149
Vulnerability risk: Low
CVSSv4.0: 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-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Certified Asterisk
Asterisk Open Source
Certified Asterisk
Asterisk Open Source
Software vendor:
Digium (Linux Support Services)
Digium (Linux Support Services)
Description
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in the pjproject component due to improper processing of crafted invalid values in the Cseq and the Via header port. A remote attacker can submit specially crafted invalid values, trigger buffer overflow and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists in the pjproject component due to improper processing of crafted invalid values in the Cseq and the Via header port. A remote attacker can submit specially crafted invalid values, trigger buffer overflow 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.