Advisory Details

September 5th, 2018

Delta Industrial Automation CNCSoft ScreenEditor DPB File wText Stack-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-10636
CVSS SCORE	9.3, AV:N/AC:M/Au:N/C:C/I:C/A:C
AFFECTED VENDORS	Delta Industrial Automation
AFFECTED PRODUCTS	CNCSoft
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable 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 handling of DPB files. When parsing the wText attribute, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code under the context of Administrator.
ADDITIONAL DETAILS	Delta Industrial Automation has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-219-01
DISCLOSURE TIMELINE	2018-05-29 - Vulnerability reported to vendor 2018-09-05 - Coordinated public release of advisory 2018-09-05 - Advisory Updated
CREDIT	Natnael Samson(Natti)

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