SB2018121116 - Security restrictions bypass in Microsoft Exchange Server
Published: December 11, 2018
Security Bulletin ID
SB2018121116
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2018-8604)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote authenticated attacker to tamper data of other users.
The vulnerability exists due to insufficient validation of user-supplied input when processing user profile data. A remote authenticated attacker can send a specially crafted request to the server and modify target user's profile.
Remediation
Install update from vendor's website.