Advisory Details

March 19th, 2020

Adobe Photoshop PCX File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2020-3770
CVSS SCORE	7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Adobe
AFFECTED PRODUCTS	Photoshop
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Photoshop. 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 PCX files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based 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/photoshop/apsb20-14.html
DISCLOSURE TIMELINE	2019-12-17 - Vulnerability reported to vendor 2020-03-19 - Coordinated public release of advisory
CREDIT	Yu Zhou(@yuzhou6666)

BACK TO ADVISORIES