Lucene search

K
zdiSam Thomas of eshu.co.ukZDI-09-012
HistoryFeb 10, 2009 - 12:00 a.m.

Microsoft Internet Explorer Malformed CSS Memory Corruption Vulnerability

2009-02-1000:00:00
Sam Thomas of eshu.co.uk
www.zerodayinitiative.com
17

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.836 High

EPSS

Percentile

98.4%

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Internet Explorer. User interaction is required to exploit this vulnerability in that the target must visit a malicious page. The specific flaw exists when processing, in XHTML strict mode, a CSS stylesheet containing a specific combination of style directives one of which must be a ‘zoom’. The fault in processing results in a memory corruption vulnerability which can be leveraged to execute arbitrary code under the context of the current user.

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.836 High

EPSS

Percentile

98.4%