Microsoft Browser Information Disclosure Vulnerability

1) Information disclosure

EUVDB-ID: #VU849

Risk: Low

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-3391

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to improper storage of credential data in memory. A remote attacker can access access a memory dump and get credential information.

Successful exploitation of the vulnerability will result in personal data disclosure.

Mitigation

Install updates from Microsoft website.

Vulnerable software versions

Microsoft Internet Explorer: 9 - 11

Microsoft Edge: All versions

CPE2.3

• cpe:2.3:a:microsoft:microsoft_internet_explorer:9:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_internet_explorer:10:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_internet_explorer:11:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2016-3391

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to visit a specially crafted website.

Is there known malware, which exploits this vulnerability?

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