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nodejsblogOpenJS FoundationNODEJSBLOG:SEPTEMBER-2017-PATH-VALIDATION
HistorySep 29, 2017 - 12:00 a.m.

Path validation vulnerability, September 2017

2017-09-2900:00:00
OpenJS Foundation
nodejs.org
12

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.4

Confidence

High

EPSS

0.956

Percentile

99.5%

Path Validation Vulnerability (Updated 29-September-2017 - CVE assigned)

The Node.js project released a new version of 8.x this week which incorporates a security fix.

Impact

Version 8.5.0 of Node.js is vulnerable. 4.x and 6.x versions are NOT vulnerable.

Downloads

Node.js 8 (Current)

Node.js-specific security flaws

Node.js version 8.5.0 included a change which caused a security vulnerability in the checks on paths made by some community modules. As a result, an attacker may be able to access file system paths other than those intended.

This problem was resolved within Node.js by partially reverting <https://github.com/nodejs/node/commit/b98e8d995efb426bbdee56ce503017bdcbbc6332&gt;.

A CVE has been assigned as CVE-2017-14849

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

7.4

Confidence

High

EPSS

0.956

Percentile

99.5%