Arbitrary File Overwrite Affecting package, versions <1.6.0

  • Exploit Maturity

    Proof of concept

  • Attack Complexity


  • User Interaction


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  • snyk-id


  • published

    14 Aug 2020

  • disclosed

    14 Aug 2020

  • credit


How to fix?

Upgrade to version 1.6.0 or higher.

Overview is a tool that installs a hook to your repository to ensure that potential secrets or sensitive information do not leave the developer's workstation.

Affected versions of this package are vulnerable to Arbitrary File Overwrite. When scanning a repository that includes a symlink under talisman_reports/data/report.json, talisman will overwrite the file pointed by the symlink.

PoC by dcRUSTy

  • Execute echo 123 > /tmp/data
  • Scan a repo with talisman_reports/data/report.json symlinked to /tmp/data
  • Run talisman -s
  • Observe content of /tmp/data