SRC-2019-0070 : Adobe Acrobat Pro DC Type 2 Charstring put Out-of-Bounds Read Information Disclosure Vulnerability

CVE ID:

CVE-2019-8104

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 Pro DC

Vulnerability Details:

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Adobe Acrobat Pro 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 PostScript 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 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/apsb19-41.html

Disclosure Timeline:

• 2019-02-23 – Verified and acquired by iDefense
• 2019-08-15 – Coordinated public release of advisory

Credit:

This vulnerability was discovered by Steven Seeley (mr_me) of Source Incite

Acknowledgments:

Source Incite would like to acknowledge iDefense's Vulnerability Contributor Program for the help with co-ordination of this vulnerability.