Adobe Acrobat ImageConversion EMF EmfPlusDrawDriverstring Integer Overflow Remote Code Execution Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable 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 parsing of EMF files. When parsing EmfPlusDrawDriverstring records, the process does not properly validate user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Adobe has issued an update to correct this vulnerability. More details can be found at:
https://helpx.adobe.com/security/products/acrobat/apsb18-30.html
Disclosure Timeline
- 2018-06-28 - Vulnerability reported to vendor
- 2018-10-03 - Coordinated public release of advisory
- 2018-10-03 - Advisory Updated
Credit
Kamlapati Choubey of Trend Micro Security Research
