PT-2019-12206 · Excellent Infotek · Biyan

Keniver Wang + 1 · Published 2019-06-19 · Updated 2020-08-24 · CVE-2019-11232

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions EXCELLENT INFOTEK BiYan versions 1.57 through 2.8

Description The issue allows an attacker to leak user information, specifically passwords, without authentication. This is achieved by sending an EMP NO element to the "kws login/asp/query user.asp" API endpoint and then reading the PWD element.

Recommendations For versions 1.57 through 2.8, consider restricting access to the "kws login/asp/query user.asp" API endpoint to prevent unauthorized password leaks. As a temporary workaround, avoid using the EMP NO element in this endpoint until a fix is available.

Exploit

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2019-11232

Affected Products

Biyan

References · 3

• 🔥 https://gist.github.com/keniver/dd27ba44d0aef4318551e647d927242f · Exploit
• https://osv.dev/vulnerability/CVE-2019-11232 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-11232 · Security Note