Zero-day vulnerability in Microsoft Internet Explorer

Memory corruption

The vulnerability appears to be connected to the group of Chinese hackers responsible for unleashing a pair of Java zero-day exploits in 2012. After examining of the geographical location of the targets for CVE-2010-3971, these attack attempts bear a close resemblance to those targeting CVE-2010-3962, another Internet Explorer issue that was dubbed as the Weekend Warrior.

Known malware:

Virus HTML:CVE-2010-3971-A

Vulnerability details

Advisory: SB2010122201 - Remote code execution in Microsoft Internet Explorer

Vulnerable component: Microsoft Internet Explorer

CVE-ID: CVE-2010-3971

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption


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

The vulnerability exists due to boundary error when parsing CSS styles. A remote attacker can create a specially crafted web page containing Cascading Style Sheet that refers to itself recursively, cause memory corruption and execute arbitrary code on the target system with privileges of the current user.

Successful exploitation of this vulnerability may allow an attacker to compromise vulnerable system.

Note: this vulnerability is being actively exploited.

Public Exploits: