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CVE-2022-29188

5.3 · MEDIUM

Smokescreen is an HTTP proxy.

Published May 21, 2022CWE-918EPSS 0.87%

Overview

CVE-2022-29188 is a medium-severity vulnerability. It was published on May 21, 2022 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Smokescreen is an HTTP proxy. The primary use case for Smokescreen is to prevent server-side request forgery (SSRF) attacks in which external attackers leverage the behavior of applications to connect to or scan internal infrastructure. Smokescreen also offers an option to deny access to additional (e.g., external) URLs by way of a deny list. There was an issue in Smokescreen that made it possible to bypass the deny list feature by surrounding the hostname with square brackets (e.g. `[example.com]`). This only impacted the HTTP proxy functionality of Smokescreen. HTTPS requests were not impacted. Smokescreen version 0.0.4 contains a patch for this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/stripe/smokescreen/commit/dea7b3c89df000f4072ff9866d61d78e30df6a36GitHubgithub.com/stripe/smokescreen/security/advisories/GHSA-qwrf-gfpj-qvj6GitHubgithub.com/stripe/smokescreen/commit/dea7b3c89df000f4072ff9866d61d78e30df6a36GitHubgithub.com/stripe/smokescreen/security/advisories/GHSA-qwrf-gfpj-qvj6

How CyberStrike helps

Frequently asked questions

What is CVE-2022-29188?

CVE-2022-29188 is a medium-severity vulnerability. It was published on May 21, 2022 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2022-29188?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-29188?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-29188?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-29188 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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