SB2023041852 - Ubuntu update for kamailio

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Main Vulnerability Database SB2023041852

SB2023041852 - Ubuntu update for kamailio

Published: April 18, 2023

Security Bulletin ID SB2023041852
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


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.


2) Buffer overflow (CVE-ID: CVE-2020-27507)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing INVITE requests. A remote attacker can send  specially crafted INVITE requests to the SIP server, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References