GitHub Enterprise Server up to 3.4.14/3.5.11/3.6.7/3.7.4 Environment Variable code injection

Summaryinfo

A vulnerability labeled as critical has been found in GitHub Enterprise Server up to 3.4.14/3.5.11/3.6.7/3.7.4. This affects an unknown part of the component Environment Variable Handler. The manipulation results in code injection. This vulnerability is identified as CVE-2023-22381. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in GitHub Enterprise Server up to 3.4.14/3.5.11/3.6.7/3.7.4 (Bug Tracking Software). Affected is an unknown part of the component Environment Variable Handler. The manipulation with an unknown input leads to a code injection vulnerability. CWE is classifying the issue as CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

A code injection vulnerability was identified in GitHub Enterprise Server that allowed setting arbitrary environment variables from a single environment variable value in GitHub Actions when using a Windows based runner. To exploit this vulnerability, an attacker would need existing permission to control the value of environment variables for use with GitHub Actions. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.8.0 and was fixed in versions 3.4.15, 3.5.12, 3.6.8, 3.7.5. This vulnerability was reported via the GitHub Bug Bounty program.

The weakness was released 03/03/2023. The advisory is available at docs.github.com. This vulnerability is traded as CVE-2023-22381 since 12/20/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1059 by the MITRE ATT&CK project.

Upgrading to version 3.4.15, 3.5.12, 3.6.8, 3.7.5 or 3.8.0 eliminates this vulnerability. The upgrade is hosted for download at docs.github.com.

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Productinfo

Type

• Bug Tracking Software

Vendor

• GitHub

Name

• Enterprise Server

Version

• 3.4.0
• 3.4.1
• 3.4.2
• 3.4.3
• 3.4.4
• 3.4.5
• 3.4.6
• 3.4.7
• 3.4.8
• 3.4.9
• 3.4.10
• 3.4.11
• 3.4.12
• 3.4.13
• 3.4.14
• 3.5.0
• 3.5.1
• 3.5.2
• 3.5.3
• 3.5.4
• 3.5.5
• 3.5.6
• 3.5.7
• 3.5.8
• 3.5.9
• 3.5.10
• 3.5.11
• 3.6.0
• 3.6.1
• 3.6.2
• 3.6.3
• 3.6.4
• 3.6.5
• 3.6.6
• 3.6.7
• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4

License

• open-source

CPE 2.3info

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CPE 2.2info

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