CVE-2018-12822 - Use After Free

Severity

99%

Complexity

99%

Confidentiality

165%

Adobe Digital Editions versions 4.5.8 and below have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

Adobe Digital Editions versions 4.5.8 and below have an use after free vulnerability. Successful exploitation could lead to arbitrary code execution.

CVSS 3.0 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 9.9. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/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

First reported 6 years ago

2018-10-17 18:29:00

Last updated 6 years ago

2018-12-03 18:14:00

Affected Software

Adobe Digital Editions

References

105533

Third Party Advisory, VDB Entry

https://helpx.adobe.com/security/products/Digital-Editions/apsb18-27.html

Mitigation, Vendor Advisory

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