#VU7719 Information disclosure in Microsoft Edge - CVE-2017-8662

Vulnerability identifier: #VU7719

Vulnerability 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-2017-8662

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Microsoft Edge
Client/Desktop applications / Web browsers

Vendor: Microsoft

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

The weakness exists due to improper validation of strings in specific scenarios by Microsoft Edge. A remote attacker can run an affected application, gain access to arbitrary files and bypass Address Space Layout Randomization (ASLR).

Successful exploitation of the vulnerability may result in further attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft Edge: All versions

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8662

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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.