SRC-2020-0018 : Adobe Acrobat Reader DC Out-of-Bounds Read Information Disclosure Vulnerability

CVE ID:

CVE-2020-9723

CVSS Score:

3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Vendors:

Adobe

Affected Products:

Acrobat Reader DC

Vulnerability Details:

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the processing of crafted PDF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated heap-based buffer. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of the current process.

Vendor Response:

Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb20-48.html

Disclosure Timeline:

• 2020-04-26 – Sent to and verified by Adobe
• 2020-08-11 – Coordinated public release of advisory

Credit:

This vulnerability was discovered by Steven Seeley of Qihoo 360 Vulcan Team