Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
Exim 4.92 < 4.92.3 RCE Vulnerability
Information
Severity
Severity
Critical
Family
Family
General
CVSSv2 Base
CVSSv2 Base
10.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Solution Type
Solution Type
Vendor Patch
Created
Created
4 years ago
Modified
Modified
4 years ago
Summary
Exim is prone to an remote code execution vulnerability.
Insight
Insight
There is a heap-based buffer overflow in string_vformat (string.c). The currently known exploit uses a extraordinary long EHLO string to crash the Exim process that is receiving the message. While at this mode of operation Exim already dropped its privileges, other paths to reach the vulnerable code may exist.
Affected Software
Affected Software
Exim version 4.92 up to and including 4.92.2.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 4.92.3 or later.