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CVE-2022-35954

5.0 · MEDIUM

The GitHub Actions ToolKit provides a set of packages to make creating actions easier.

Published Aug 15, 2022CWE-77EPSS 0.68%

Overview

CVE-2022-35954 is a medium-severity vulnerability. It was published on August 15, 2022 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The GitHub Actions ToolKit provides a set of packages to make creating actions easier. The `core.exportVariable` function uses a well known delimiter that attackers can use to break out of that specific variable and assign values to other arbitrary variables. Workflows that write untrusted values to the `GITHUB_ENV` file may cause the path or other environment variables to be modified without the intention of the workflow or action author. Users should upgrade to `@actions/core v1.9.1`. If you are unable to upgrade the `@actions/core` package, you can modify your action to ensure that any user input does not contain the delimiter `_GitHubActionsFileCommandDelimeter_` before calling `core.exportVariable`.

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/actions/toolkit/commit/4beda9cbc00ba6eefe387a937c21087ccb8ee9dfGitHubgithub.com/actions/toolkit/security/advisories/GHSA-7r3h-m5j6-3q42GitHubgithub.com/actions/toolkit/commit/4beda9cbc00ba6eefe387a937c21087ccb8ee9dfGitHubgithub.com/actions/toolkit/security/advisories/GHSA-7r3h-m5j6-3q42

How CyberStrike helps

Frequently asked questions

What is CVE-2022-35954?

CVE-2022-35954 is a medium-severity vulnerability. It was published on August 15, 2022 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2022-35954?

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-35954?

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-2022-35954?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-35954 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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