PT-2018-16136 · Serve · Serve

Bl4De + 1 · Published 2018-06-07 · Updated 2019-10-09 · CVE-2018-3712

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions serve versions prior to 6.4.9

Description The issue arises from the software's failure to properly handle %2e (.) and %2f (/) characters in paths, allowing a malicious user to traverse the directory tree and list the contents of any directory the user running the process has access to. This vulnerability only allows listing of directory contents and does not allow reading of arbitrary files.

Recommendations Update to version 6.4.9 or later.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2018-3712

GHSA-Q2QH-CGC2-QHR3

Affected Products

Serve

References · 7

• 🔥 https://hackerone.com/reports/307666 · Exploit
• https://github.com/zeit/serve/pull/316 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-3712 · Security Note
• https://osv.dev/vulnerability/CVE-2018-3712 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-q2qh-cgc2-qhr3 · Vendor Advisory
• https://github.com/vercel/serve/commit/6adad6881c61991da61ebc857857c53409544575 · Note
• https://github.com/vercel/serve · Note