PT-2021-24091 · Serva · Serva

Published 2021-11-29 · Updated 2021-11-30 · CVE-2021-44429

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: Serva version 4.4.0

Description: The issue allows remote attackers to cause a denial of service, resulting in a daemon crash, via a TFTP read request, specifically an RRQ request, which is associated with opcode 1.

Recommendations: For Serva version 4.4.0, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2021-44429

Affected Products

Serva

References · 5

• 🔥 https://packetstormsecurity.com/files/165058/Serva-4.4.0-TFTP-Remote-Buffer-Overflow.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-44429 · Security Note
• https://osv.dev/vulnerability/CVE-2021-44429 · Vendor Advisory
• https://t.me/cvenotify/23957 · Telegram Post
• https://t.me/cvenotify/23964 · Telegram Post