Buffer overflow in Asterisk Open Source and Certified Asterisk - #VU9149
Published: November 9, 2017
Vulnerability identifier: #VU9149
CSH Severity: Low
CVSS v4: 6.9 [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]
CVE-ID: N/A
CWE-ID: CWE-120
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Asterisk Open Source
Certified Asterisk
Certified Asterisk
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.