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canvasImmunity CanvasMS12_043
HistoryJun 13, 2012 - 4:46 a.m.

Immunity Canvas: MS12_043

2012-06-1304:46:00
Immunity Canvas
exploitlist.immunityinc.com
25

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

0.975 High

EPSS

Percentile

100.0%

Name ms12_043
CVE CVE-2012-1889 Exploit Pack
VENDOR: Microsoft
Notes:
This exploit takes advantage of an uninitialized variable vulnerability as exploited in the wild.
When the get_definition function is called with no value, the CElement assumes the child obj is
initialized which results in remote code execution.

Tested on:

  • Windows XP Professional SP3 English with Internet Explorer 7
  • Windows XP Professional SP3 English with Internet Explorer 8
  • Windows Vista English with Internet Explorer 7
  • Windows Vista English with Internet Explorer 8
  • Windows 7 Ultimate English with Internet Explorer 8
  • Windows 7 Ultimate English with Internet Explorer 9

Usage (important):
If possible, try to avoid using the js_recon module with this exploit as loading
third party software may damage heap offsets.

VersionsAffected: Internet Explorer 6/7/8/9
Repeatability:
MSADV: MS12-043
References: http://technet.microsoft.com/en-us/security/bulletin/ms12-043
CVE Url: http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-1889
Date public: 06/12/2012
CVSS: 9.5

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

0.975 High

EPSS

Percentile

100.0%