Information disclosure in Microsoft Bot Framework SDK

1) Information disclosure

EUVDB-ID: #VU49488

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1725

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

Exploit availability: No

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Bot Framework SDK. A local user can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Bot Framework SDK for Python: All versions

Bot Framework SDK for JavaScript: All versions

Bot Framework SDK for .NET Framework: All versions

CPE2.3

• cpe:2.3:a:microsoft:bot_framework_sdk_for_python:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:bot_framework_sdk_for_javascript:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:bot_framework_sdk_for_.net_framework:*:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1725

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.