CVE-2018-8807 - Use After Free

Severity

43%

Complexity

86%

Confidentiality

48%

In libming 0.4.8, these is a use-after-free in the function decompileCALLFUNCTION of decompile.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted swf file.

In libming 0.4.8, these is a use-after-free in the function decompileCALLFUNCTION of decompile.c. Remote attackers could leverage this vulnerability to cause a denial of service via a crafted swf file.

CVSS 3.0 Base Score 6.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

CVSS 2.0 Base Score 4.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:N/I:N/A:P).

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

First reported 6 years ago

2018-03-20 05:29:00

Last updated 6 years ago

2018-04-12 13:16:00

Affected Software

Libming Libming 0.4.8

0.4.8

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