SB2019071001 - Information disclosure in Microsoft Exchange and related products
Published: July 10, 2019
Security Bulletin ID
SB2019071001
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2019-1084)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of display names that contain non-printable characters. A remote authenticated attacker can change his/her display name, perform spoofing attack against Microsoft Exchange users and gain access to sensitive information.
Remediation
Install update from vendor's website.