Advisory Details

January 2nd, 2019

Horner Automation Cscape CSP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability

CVE ID	CVE-2018-19005
CVSS SCORE	6.8, AV:N/AC:M/Au:N/C:P/I:P/A:P
AFFECTED VENDORS	Horner Automation
AFFECTED PRODUCTS	Cscape
VULNERABILITY DETAILS	This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Horner Automation Cscape. 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 CSP files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS	Horner Automation has issued an update to correct this vulnerability. More details can be found at: https://ics-cert.us-cert.gov/advisories/ICSA-18-354-01
DISCLOSURE TIMELINE	2018-07-17 - Vulnerability reported to vendor 2019-01-02 - Coordinated public release of advisory 2019-01-02 - Advisory Updated
CREDIT	rgod and mdm of 9SG Security Team

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