#VU66692 Release of invalid pointer or reference in Exim - CVE-2022-37451

 

#VU66692 Release of invalid pointer or reference in Exim - CVE-2022-37451

Published: August 22, 2022


Vulnerability identifier: #VU66692
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-37451
CWE-ID: CWE-763
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Exim
Software vendor:
Exim

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to an invalid free in pam_converse() function in auths/call_pam.c. A remote attacker can initiate the connection to the affected mail server and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links