Vulnerability · Published Nov 2, 2020 · Assigned by snyk
CVE-2020-7758Path Traversal
High 7.5
In plain English
A high-severity security flaw in browserless-chrome. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 82% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)2.2%top 17.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
This affects versions of package browserless-chrome before 1.40.2-chrome-stable. 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | browserless-chrome | 1.43.0 | GHSA-8p9r-f949-699g |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | browserless-chrome | before 1.40.2-chrome-stable |
References
- https://snyk.io/vuln/SNYK-JS-BROWSERLESSCHROME-1023657 x_refsource_MISC
- https://github.com/browserless/chrome/blob/master/src/routes.ts%23L175 x_refsource_MISC
- https://github.com/browserless/chrome/commit/848b87e5bea4f8473eea85261a5ff922d6ebd2b6 x_refsource_MISC
- https://github.com/browserless/chrome/releases/tag/1.40.2-chrome-stable x_refsource_MISC