漏洞关键信息 CVE ID: CVE-2020-28383 CVSS Score: 7.8, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Affected Vendors: Siemens Affected Products: JT2Go Vulnerability Details: - Description: This vulnerability allows remote attackers to execute arbitrary code on affected installations of Siemens JT2Go. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. - Specific Flaw: The specific flaw exists within the parsing of PAR files. The issue results from the lack of proper validation of user-supplied data, which can result in a write before the start of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Additional Details: Siemens has issued an update to correct this vulnerability. More details can be found at: https://us-cert.cisa.gov/ics/advisories/icsa-21-012-03/ Disclosure Timeline: - 2020-09-25: Vulnerability reported to vendor - 2021-01-14: Coordinated public release of advisory Credit: rgod