CVE-2013-1310 - Use After Free

Severity

93%

Complexity

86%

Confidentiality

165%

Use-after-free vulnerability in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer Use After Free Vulnerability."

Use-after-free vulnerability in Microsoft Internet Explorer 6 and 7 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to a deleted object, aka "Internet Explorer Use After Free Vulnerability."

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 Internet Explorer

First reported 11 years ago

2013-05-15 03:36:00

Last updated 6 years ago

2018-10-12 22:04:00

Affected Software

Microsoft Internet Explorer 6

6

Microsoft Internet Explorer 7

7

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