Vulnerability CVE-2020-7758


Published: 2020-11-02

Description:
This affects all versions of package browserless-chrome. User input flowing from the workspace endpoint gets used to create a file path filePath and this is fetched and then sent back to a user. This can be escaped to fetch arbitrary files from a server.

Type:

CWE-22

(Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Browserless -> Chrome 

 References:
https://github.com/browserless/chrome/blob/master/src/routes.ts%23L175
https://github.com/browserless/chrome/commit/848b87e5bea4f8473eea85261a5ff922d6ebd2b6
https://snyk.io/vuln/SNYK-JS-BROWSERLESSCHROME-1023657

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