Insecure DLL loading in Microsoft Exchange Server - CVE-2024-26198

 

Insecure DLL loading in Microsoft Exchange Server - CVE-2024-26198

Published: March 12, 2024


Vulnerability identifier: #VU87349
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-26198
CWE-ID: CWE-427
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.


Affected software

Microsoft Exchange Server

How to mitigate CVE-2024-26198

Install updates from vendor's website.

Microsoft Exchange Server - addressed in versions 2016 CU23 Mar24SU 15.01.2507.037, 2019 CU13 Mar24SU 15.02.1258.032, 2019 CU14 Mar24SU 15.02.1544.009

External References

Related Security Bulletins