CVE-2017-18869

low-risk
Published 2020-06-15

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.

Do I need to act?

-
0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
2
CVSS 2.5/10 Low
LOCAL / HIGH complexity

Affected Products (1)

Chownr

Affected Vendors

Chownr Project

References (8)

Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863985
Permissions Required https://bugzilla.redhat.com/show_bug.cgi?id=1611614
Third Party Advisory https://github.com/isaacs/chownr/issues/14
Exploit https://snyk.io/vuln/npm:chownr:20180731
Third Party Advisory https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=863985
Permissions Required https://bugzilla.redhat.com/show_bug.cgi?id=1611614
Third Party Advisory https://github.com/isaacs/chownr/issues/14
Exploit https://snyk.io/vuln/npm:chownr:20180731
11
/ 100
low-risk
Severity 6/34 · Minimal
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal