A TOCTOU issue in the chownr package before 1.1.0 for Node.js 10.10 could allow a local…
Priority LOW 13CWE-367Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Partial Red Hat: 4 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
EPSS 0.00334 26th percentileScored 2026-11-07
Fix Partial chownr (npm): 1.1.0Red Hat: 1 advisoryRed Hat: 4 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | chownr (npm) | before 1.1.0 | 1.1.0 | Patch available | GHSA-c6rq-rjc2-86v2 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- chownr (npm) Vendor— Affected before 1.1.0 Fixed in 1.1.0 Patch available GHSA-c6rq-rjc2-86v2
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:chownr_project:chownr:*:*:*:*:*:node.js:*:* | before 1.1.0 | Vulnerable | Chownr Project |
- cpe:2.3:a:chownr_project:chownr:*:*:*:*:*:node.js:*:* Versions before 1.1.0 Vulnerable ·Chownr Project
Remediation
- Fix · GHSA-c6rq-rjc2-86v2 chownr (npm) Fixed in 1.1.0 Advisory →
Red Hat 1 advisory
- RHSA-2020:2625 Released 2020-06-19 · Red Hat rating Moderaterh-nodejs8-nodejs security update
- Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-nodejs8-nodejs-8.17.0-2.el7, rh-nodejs8-nodejs-devel-8.17.0-2.el7, rh-nodejs8-nodejs-docs-8.17.0-2.el7 +1
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-nodejs8-nodejs-8.17.0-2.el7, rh-nodejs8-nodejs-devel-8.17.0-2.el7, rh-nodejs8-nodejs-docs-8.17.0-2.el7 +1
- Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-nodejs8-nodejs-8.17.0-2.el7, rh-nodejs8-nodejs-devel-8.17.0-2.el7, rh-nodejs8-nodejs-docs-8.17.0-2.el7 +1
- Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-nodejs8-nodejs-8.17.0-2.el7, rh-nodejs8-nodejs-devel-8.17.0-2.el7, rh-nodejs8-nodejs-docs-8.17.0-2.el7 +1
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Mobile Application Platform 4 | Affected | No fix planned: Will not fix |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
| Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:2625 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) | Fixed | RHSA-2020:2625 |
| Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) | Fixed | RHSA-2020:2625 |
| Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:2625 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-18869
- 2026-10-03 Alias added: GHSA-c6rq-rjc2-86v2
References
Advisory 3
Sources
- CVE-2017-18869 · CVE Program
- CVE-2017-18869 · NVD
- FIRST EPSS
- GHSA-c6rq-rjc2-86v2 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-18869 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences