Free and open-source vulnerability scanner

Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.

Install Now

Available for macOS, Windows, and Linux

App screenshot

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.

Common Vulnerabilities and Exposures (CVE)