SB2021060201 - Information disclosure in Elastic APM .NET Agent
Published: June 2, 2021
Security Bulletin ID
SB2021060201
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 exposure through an error message (CVE-ID: CVE-2021-22143)
CWE-ID: CWE-209 - Information Exposure Through an Error Message
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/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 sensitive information.
The vulnerability exists due to Elastic APM .NET Agent leaks sensitive HTTP header information when logging the details during an application error. A remote attacker can intercept traffic sent to the APM server and gain access to potentially sensitive information, sent via HTTP headers.
Remediation
Install update from vendor's website.