PT-2023-20531 · Unknown · Statics-Server

Liran Tal · Published 2023-10-02 · Updated 2023-10-23 · CVE-2023-26152

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions static-server versions all

Description The issue arises from improper input sanitization passed via the validPath function of server.js, leading to Directory Traversal. This vulnerability affects a popular library that had 100,000 weekly downloads up to a year ago and is still actively downloaded.

Recommendations For all versions, consider disabling the validPath function of server.js as a temporary workaround until a patch is available. Restrict access to sensitive directories to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2023-26152

GHSA-V834-RHV4-65M3

Affected Products

Statics-Server

References · 11

• 🔥 https://security.snyk.io/vuln/SNYK-JS-STATICSERVER-5722341 · Exploit
• 🔥 https://gist.github.com/lirantal/1f7021703a2065ecaf9ec9e06a3a346d · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-26152 · Security Note
• https://osv.dev/vulnerability/GHSA-v834-rhv4-65m3 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-26152 · Vendor Advisory
• https://github.com/nbluis/static-server/blob/master/server.js%23L218-L223 · Note
• https://github.com/nbluis/static-server/blob/master/server.js#L218-L223 · Note
• https://github.com/nbluis/static-server · Note
• https://twitter.com/liran_tal/status/1716469703005143441 · Twitter Post
• https://twitter.com/DMFezzaReedCISA/status/1709149807313338511 · Twitter Post
• https://twitter.com/CVEnew/status/1709074471217176745 · Twitter Post