Use-after-free error in Microsoft Internet Explorer - CVE-2014-0322

Vulnerability identifier: #VU5137

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-2014-0322

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 related to GIFAS. A remote attacker can create a 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 #840 - Microsoft Internet Explorer 10 - CMarkup Use-After-Free (MS14-012) (March 18, 2020)
• Exploit #841 - Microsoft Internet Explorer - CMarkup Use-After-Free (MS14-012) (Metasploit) (March 18, 2020)
• Exploit #1662 - MS14-012 Microsoft Internet Explorer CMarkup Use-After-Free (March 18, 2020)

• https://technet.microsoft.com/en-us/library/security/ms14-012

• Remote code execution in Microsoft Internet Explorer