SB2019101902 - Information disclosure in MediaWiki
Published: October 19, 2019
Security Bulletin ID
SB2019101902
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) Information disclosure (CVE-ID: CVE-2019-16738)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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 potentially sensitive information.
The vulnerability exists due to Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup. A remote non-authenticated attacker can gain unauthorized access to sensitive information.
Remediation
Install update from vendor's website.