SB2012091701 - Remote code execution in Microsoft Internet Explorer
Published: September 17, 2012 Updated: January 10, 2017
Security Bulletin ID
SB2012091701
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free error (CVE-ID: CVE-2012-4969)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.The weakness exists due to use-after-free error in the CMshtmlEd::Exec function in mshtml.dll. A remote attacker can create a specially crafted Web site, trick the victim into viewing 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.
Note: the vulnerability was being actively exploited.
Remediation
Install update from vendor's website.