CVE-2021-22539

Code execution in VSCode-bazel via malicious Bazel config files

Description

An attacker can place a crafted JSON config file into the project folder pointing to a custom executable. VScode-bazel allows the workspace path to lint *.bzl files to be set via this config file. As such the attacker is able to execute any executable on the system through vscode-bazel. We recommend upgrading to version 0.4.1 or above.

Remediation

Solution:

  • Upgrade vscode-bazel to version 0.4.1 or above

Categories

8.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Third-Party Advisory github.com
Affected: Google LLC VSCode-Bazel
Published at:
Updated at:

References

Link Tags
https://github.com/bazelbuild/vscode-bazel/security/advisories/GHSA-2rcw-j8x4-hgcv third party advisory
https://github.com/bazelbuild/vscode-bazel-ghsa-2rcw-j8x4-hgcv/pull/1 broken link

Frequently Asked Questions

What is the severity of CVE-2021-22539?
CVE-2021-22539 has been scored as a high severity vulnerability.
How to fix CVE-2021-22539?
To fix CVE-2021-22539: Upgrade vscode-bazel to version 0.4.1 or above
Is CVE-2021-22539 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22539 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-22539?
CVE-2021-22539 affects Google LLC VSCode-Bazel.
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