#VU25968 Cleartext transmission of sensitive information in Visual Studio


Published: 2020-03-11

Vulnerability identifier: #VU25968

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-0884

CWE-ID: CWE-319

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
Visual Studio
Universal components / Libraries / Software for developers

Vendor: Microsoft

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due Microsoft Visual Studio includes a reply URL that is not secured by SSL. A remote attacker can intercept the access tokens and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Visual Studio: 15.9, 16.0.0 16.0.28729.10, 16.4.0 16.4.29519.181


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0884


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability