CVE-2015-1756 - Use After Free

Severity

93%

Complexity

86%

Confidentiality

165%

CWE-416: Use After Free https://cwe.mitre.org/data/definitions/416.html

Use-after-free vulnerability in Microsoft Common Controls in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows user-assisted remote attackers to execute arbitrary code via a crafted web site that is accessed with the F12 Developer Tools feature of Internet Explorer, aka "Microsoft Common Control Use After Free Vulnerability."

CWE-416: Use After Free https://cwe.mitre.org/data/definitions/416.html

CVSS 2.0 Base Score 9.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

Type

Microsoft Windows

First reported 9 years ago

2015-06-10 01:59:00

Last updated 5 years ago

2019-05-15 15:33:00

Affected Software

Microsoft Windows RT

Microsoft Windows RT 8.1

Microsoft Windows Server 2008 Service Pack 2

Microsoft Windows Server 2012

Microsoft Windows Vista Service Pack 2

References

75017

Third Party Advisory, VDB Entry

1032524

Third Party Advisory, VDB Entry

MS15-060

Patch, Vendor Advisory

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