SB2012050802 - Multiple vulnerabilities in Microsoft Office
Published: May 8, 2012 Updated: March 15, 2017
Security Bulletin ID
SB2012050802
Severity
High
Patch available
YES
Number of vulnerabilities
3
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2012-0167)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to heap-based buffer overflow when parsing EMF images. A remote attacker can create a specially crafted EMF images embedded within an Office document, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
2) Memory corruption (CVE-ID: CVE-2012-0165)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to improper validation of EMF images. A remote attacker can create a specially crafted EMF image file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
3) Improper Input Validation (CVE-ID: CVE-2012-0159)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to improper processing of a malicious TrueType font (.ttf) within t2embed.dll. A remote attacker can create a specially crafted TrueType font file, trick the victim into loading it and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.
Remediation
Install update from vendor's website.