github-slug-action up to 4.4.0 command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in github-slug-action up to 4.4.0. It has been rated as critical. The affected element is an unknown function. This manipulation causes command injection. This vulnerability appears as CVE-2023-27581. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in github-slug-action up to 4.4.0 (Bug Tracking Software) and classified as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

github-slug-action is a GitHub Action to expose slug value of GitHub environment variables inside of one's GitHub workflow. Starting in version 4.0.0` and prior to version 4.4.1, this action uses the `github.head_ref` parameter in an insecure way. This vulnerability can be triggered by any user on GitHub on any workflow using the action on pull requests. They just need to create a pull request with a branch name, which can contain the attack payload. This can be used to execute code on the GitHub runners and to exfiltrate any secrets one uses in the CI pipeline. A patched action is available in version 4.4.1. No workaround is available.

The weakness was presented 03/14/2023 as GHSA-6q4m-7476-932w. It is possible to read the advisory at github.com. This vulnerability is known as CVE-2023-27581 since 03/04/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

Upgrading to version 4.4.1 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 102b1a064a9b145e56556e22b18b19c624538d94 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: github-slug-action 4.4.1
Patch: 102b1a064a9b145e56556e22b18b19c624538d94

Timelineinfo

03/04/2023 🔍
03/14/2023 +10 days 🔍
03/14/2023 +0 days 🔍
03/14/2023 +0 days 🔍

Sourcesinfo

Advisory: GHSA-6q4m-7476-932w
Status: Confirmed

CVE: CVE-2023-27581 (🔍)
GCVE (CVE): GCVE-0-2023-27581
GCVE (VulDB): GCVE-100-222943

Entryinfo

Created: 03/14/2023 10:06
Changes: 03/14/2023 10:06 (53)
Complete: 🔍
Cache ID: 216::103

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