Informatoin disclosure in Windows EOT Font Engine



Published: 2017-11-14
Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2017-11835
CVE-2017-11832
CWE-ID CWE-200
Exploitation vector Local
Public exploit N/A
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Windows
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU9311

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-11835

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists  in the way that the Microsoft Windows Embedded OpenType (EOT) font engine parses specially crafted embedded fonts. A local user can obtain potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2008 - 2008 R2

Windows: 7

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11835


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.

2) Information disclosure

EUVDB-ID: #VU9312

Risk: Low

CVSSv3.1: 3.3 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-11832

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a local user to obtain potentially sensitive information.

The vulnerability exists  in the way that the Microsoft Windows Embedded OpenType (EOT) font engine parses specially crafted embedded fonts. A local user can obtain potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2008 - 2012

Windows: 7

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11832


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.



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