Vulnerability Details : CVE-2017-14849
Node.js 8.5.0 before 8.6.0 allows remote attackers to access unintended files, because a change to ".." handling was incompatible with the pathname validation used by unspecified community modules.
Vulnerability category: Directory traversal
Products affected by CVE-2017-14849
- cpe:2.3:a:nodejs:node.js:8.5.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-14849
87.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-14849
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-14849
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-14849
-
https://nodejs.org/en/blog/vulnerability/september-2017-path-validation/
Path validation vulnerability, September 2017 | Node.jsPatch;Vendor Advisory
-
https://twitter.com/nodejs/status/913131152868876288
Node.js on Twitter: "Important security update in #nodejs 8. Please update now. This does not affect the Node.js 4 or 6 LTS release lines https://t.co/kO8wcgPGgl"Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/101056
Node.js CVE-2017-14849 Security Bypass VulnerabilityThird Party Advisory;VDB Entry
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