Time-of-check Time-of-use (TOCTOU) The advisory has been revoked - it doesn't affect any version of package node-chownr (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1910-NODECHOWNR-657828
- published10 Sept 2020
- disclosed15 Jun 2020
Introduced: 15 Jun 2020
CVE-2017-18869 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream node-chownr package and not the node-chownr package as distributed by Ubuntu.
A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local attacker to trick it into descending into unintended directories via symlink attacks.