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Arbitrary Command Execution Affecting git-fastclone package, versions <1.0.1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.93% (83rd percentile)
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NVD
8.8 high

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  • Snyk ID SNYK-RUBY-GITFASTCLONE-20351
  • published 28 Mar 2017
  • disclosed 11 Dec 2015
  • credit Blake Burkhart
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Introduced: 11 Dec 2015

CVE-2015-8968 Open this link in a new tab
CWE-94 Open this link in a new tab

How to fix?

Upgrade to version 1.0.1 or greater.

Overview

git-fastclone is a git command that uses reference repositories and threading to quickly and recursively clone repositories with many nested submodules.

Affected version of this package are vulnerable to Arbitrary Command Execution. git-fastclone used the git-remote-ext command, allowing a user to specify remote URLs. An attacker could manipulate a user to run a recursive clone from a repository they control, allowing the attacker to run arbitrary commands. This attack works when cloning both local and remote repositories.