Delta Industrial Automation CNCSoft ScreenEditor DPB File Parsing Giffile Out-Of-Bounds Read Information Disclosure Vulnerability

2020-03-17T00:00:00
ID ZDI-20-310
Type zdi
Reporter Natnael Samson (@NattiSamson)
Modified 2020-06-22T00:00:00

Description

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Delta Industrial Automation CNCSoft ScreenEditor. 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 Giffile information within DPB 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 Administrator.