#VU50368 Information disclosure in Elastic APM Go Agent - CVE-2021-22133

Vulnerability identifier: #VU50368

Vulnerability risk: Low

CVSSv4.0: 1.7 [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]

CVE-ID: CVE-2021-22133

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Elastic APM Go Agent
Server applications / Other server solutions

Vendor: Elastic Stack

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the Elastic APM agent for Go leaks sensitive HTTP header information when logging the details during an application panic. A remote attacker with ability to intercept traffic to the APM server can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Elastic APM Go Agent: 0.4.0 - 1.10.0

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External links
https://www.elastic.co/community/security#ESA-2021-02

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.