PT-2020-17210 · Unknown · Miniweb Http Server

Published 2020-12-21 · Updated 2020-12-23 · CVE-2020-29596

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions MiniWeb HTTP server version 0.8.19

Description The issue allows remote attackers to cause a denial of service, resulting in a daemon crash, by sending a POST request with a long name for the first parameter.

Recommendations For MiniWeb HTTP server version 0.8.19, consider restricting the length of parameter names in POST requests to prevent daemon crashes until a patch is available. As a temporary workaround, monitor server logs for suspicious activity and restart the daemon as needed to minimize downtime.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2020-29596

Affected Products

Miniweb Http Server

References · 8

• 🔥 https://packetstormsecurity.com/files/160470/MiniWeb-HTTP-Server-0.8.19-Buffer-Overflow.html · Exploit
• 🔥 https://exploit-db.com/exploits/49247 · Exploit
• https://osv.dev/vulnerability/CVE-2020-29596 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29596 · Security Note
• https://sourceforge.net/projects/miniweb/files/miniweb/0.8 · Note
• https://t.me/cvenotify/7512 · Telegram Post
• https://t.me/cibsecurity/21150 · Telegram Post
• https://securityforeveryone.com/blog/miniweb-http-server-vulnerability-0-day-cve-2020-29596 · Note