CVE-2017-18869

Aliases:GHSA-c6rq-rjc2-86v2
Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 15 Jun 2020, 14:33
Last modified:05 Aug 2024, 21:37

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
2.5 LOW
v3.1 (nvd)
EPSS Score
0.05% LOW
0% probability -0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

15 Jun 2020, 14:33
Published
Vulnerability first disclosed
05 Aug 2024, 21:37
Last Modified
Vulnerability information updated

Description

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.

CVSS Metrics

  • v3.1•LOW•Score: 2.5CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
  • v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.05%• Percentile: 15%

Techniques & Countermeasures

  • CWE-367•Time-of-check Time-of-use (TOCTOU) Race Condition

    The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

Affected Systems

  • chownr_project•chownr

    < 1.1.0

  • Npm•chownr

    < 1.1.0

References (7)