#VU14371 Improper access control in Microsoft Exchange Server


Published: 2018-08-14 | Updated: 2018-08-14

Vulnerability identifier: #VU14371

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-8374

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft Exchange Server
Server applications / Mail servers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to change profile data of other Exchange users.

The vulnerability exists due to an error when processing data profiles. a remote authenticated attacker can change profile data of another Exchange user.


Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Exchange Server: 2016 Cumulative Update 9 15.01.1466.003 - 2016 Cumulative Update 10 15.01.1531.003


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8374


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability