User credentials disclosure in Universal Outlook in Windows 10

1) Credentials disclosure in ActiveSyncProvider

EUVDB-ID: #VU294

Risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-3312

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to an error in Universal Outlook, which fails to establish secure connection to the server. A remote attacker can launch a man-in-the-middle (MiTM) or spoofing attack and obtain username and password of the target user.

Successful exploitation of this vulnerability my allow an attacker to obtain user credentials and use them in further attacks.

Vulnerable software versions

Windows: 10

External links

http://technet.microsoft.com/en-us/library/security/ms16-103.aspx

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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