SB2018091701 - Buffer overflow in Kamailio
Published: September 17, 2018
Security Bulletin ID
SB2018091701
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-16657)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing SIP messages with an invalid "Via" header within the crcitt_string_array() and check_via_address() functions. A remote attacker can send a specially crafted SIP message, trigger memory corruption and crash the service or execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Remediation
Install update from vendor's website.