Two vulnerabilities in Microsoft Windows OpenType Font Driver

Published: 2018-01-04 12:05:38
Severity Low
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2018-0788
CVE-2018-0754
CVSSv3 7.7 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
3.3 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CWE ID CWE-119
CWE-125
Exploitation vector Local
Public exploit Not available
Vulnerable software Windows
Windows Server
Vulnerable software versions Windows 8.1
Windows 7
Windows 10
Windows Server 2012
Windows Server 2012 R2
Windows Server 2008
Windows Server 2008 R2
Windows Server 2016
Vendor URL Microsoft

Security Advisory

1) Memory corruption

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in Windows Adobe Type Manager Font Driver (ATMFD.dll). A local user can run a specially crafted application, trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0788

2) Out-of-bounds read

Description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to an out-of-bounds read error in Windows Adobe Type Manager Font Driver (ATMFD.dll). A local user can run a specially crafted application to trigger memory corruption and gain access to information that could be used to try to further compromise the affected system.

Remediation

Install updates from vendor's website.

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0754

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