#VU76839 Server-Side Request Forgery (SSRF) in Consul Enterprise and Consul - CVE-2022-29153

Vulnerability identifier: #VU76839

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-29153

CWE-ID: CWE-918

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Consul Enterprise
Server applications / Other server solutions
Consul
Server applications / Other server solutions

Vendor: HashiCorp

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Consul Enterprise: before 1.9.17, 1.10.10, 1.11.5, 1.9.17, 1.9.17

Consul: before 1.9.17, 1.10.10, 1.11.5, 1.9.17, 1.9.17

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External links
https://discuss.hashicorp.com
https://discuss.hashicorp.com/t/hcsec-2022-10-consul-s-http-health-check-may-allow-server-side-request-forgery/38393
https://security.netapp.com/advisory/ntap-20220602-0005/
https://security.gentoo.org/glsa/202208-09
https://discuss.hashicorp.com/t/hcsec-2022-10-consul-s-http-health-check-may-allow-server-side-request-forgery/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RBODKZL7HQE5XXS3SA2VIDVL4LAA5RWH/

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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.