Use-after-free error in Microsoft Internet Explorer - CVE-2013-3163

Vulnerability identifier: #VU4407

CSH Severity: Critical

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2013-3163

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to use-after-free error in CBlockContainerBlock. A remote attacker can create specially crafted Web site, trick the victim into visiting 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.

Microsoft Internet Explorer

Install update from vendor's website.

• Exploit #766 - Microsoft Internet Explorer - CAnchorElement Use-After-Free (MS13-055) (Metasploit) (March 18, 2020)
• Exploit #1665 - MS13-055 Microsoft Internet Explorer CAnchorElement Use-After-Free (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/ms13-055.aspx

• Remote code execution in Microsoft Internet Explorer