Executive Summary

Informations
Name CVE-2023-49291 First vendor Publication 2023-12-05
Vendor Cve Last vendor Modification 2023-12-08

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

tj-actions/branch-names is a Github action to retrieve branch or tag names with support for all events. The `tj-actions/branch-names` GitHub Actions improperly references the `github.event.pull_request.head.ref` and `github.head_ref` context variables within a GitHub Actions `run` step. The head ref variable is the branch name and can be used to execute arbitrary code using a specially crafted branch name. As a result an attacker can use this vulnerability to steal secrets from or abuse `GITHUB_TOKEN` permissions. This vulnerability has been addressed in version 7.0.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-49291

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

https://github.com/tj-actions/branch-names/commit/4923d1ca41f928c24f1c1b3af9d...
https://github.com/tj-actions/branch-names/commit/6c999acf206f5561e19f46301bb...
https://github.com/tj-actions/branch-names/commit/726fe9ba5e9da4fcc716223b799...
https://github.com/tj-actions/branch-names/security/advisories/GHSA-8v8w-v8xg...
https://securitylab.github.com/research/github-actions-untrusted-input
Source Url

Alert History

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Date Informations
2023-12-08 21:27:24
  • Multiple Updates
2023-12-06 02:34:17
  • Multiple Updates
2023-12-06 02:33:55
  • Multiple Updates
2023-12-05 17:27:23
  • Multiple Updates
2023-12-05 05:27:23
  • First insertion