SB2021060910 - Information disclosure in Eclipse Jetty
Published: June 9, 2021
Security Bulletin ID
SB2021060910
CSH Severity
Medium
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-2021-28169)
CWE-ID: CWE-20 - Improper input validation
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:Green
The vulnerability allows a remote attacker to gain access to sensitive information..
The vulnerability exists due to a double decoding issue when parsing URI with certain characters. A remote attacker can send requests to the ConcatServlet and WelcomeFilter and view contents of protected resources within the WEB-INF directory.
Example:
/concat?/%2557EB-INF/web.xml
Remediation
Install update from vendor's website.