#VU90715 Path traversal in webpack-dev-middleware
Vulnerability identifier: #VU90715
Vulnerability risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-22
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
webpack-dev-middleware
Other software /
Other software solutions
Vendor:
Description
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to webpack-dev-middleware development middleware for devpack does not validate the supplied URL address sufficiently before returning the local file. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
External links
http://github.com/webpack/webpack-dev-middleware/security/advisories/GHSA-wr3j-pwj9-hqq6
http://github.com/webpack/webpack-dev-middleware/commit/189c4ac7d2344ec132a4689e74dc837ec5be0132
http://github.com/webpack/webpack-dev-middleware/commit/9670b3495da518fe667ff3428c5e4cb9f2f3d353
http://github.com/webpack/webpack-dev-middleware/commit/e10008c762e4d5821ed6990348dabf0d4d93a10e
http://github.com/webpack/webpack-dev-middleware/blob/7ed24e0b9f53ad1562343f9f517f0f0ad2a70377/src/utils/getFilenameFromUrl.js#L82
http://github.com/webpack/webpack-dev-middleware/blob/7ed24e0b9f53ad1562343f9f517f0f0ad2a70377/src/utils/setupOutputFileSystem.js#L21
http://github.com/webpack/webpack-dev-middleware/releases/tag/v5.3.4
http://github.com/webpack/webpack-dev-middleware/releases/tag/v6.1.2
http://github.com/webpack/webpack-dev-middleware/releases/tag/v7.1.0
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
