PT-2020-15566 · Sysax · Sysax Multi Server

Published 2020-08-19 · Updated 2021-07-21 · CVE-2020-23574

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Sysax Multi Server version 6.90

Description The issue allows an authenticated user to cause a buffer overflow condition by modifying the filename parameter in the upload file form to a length of 368 or more bytes, leading to application crash.

Recommendations For Sysax Multi Server version 6.90, as a temporary workaround, consider restricting the length of the filename parameter to prevent buffer overflow conditions until a patch is available.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2020-23574

Affected Products

Sysax Multi Server

References · 3

• 🔥 https://hosaka.co.uk/2020/06/08/sysax-multi-server-buffer-overflow · Exploit
• https://osv.dev/vulnerability/CVE-2020-23574 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23574 · Security Note