Advisory Details

February 24th, 2021

Siemens JT2Go RAS File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

CVE ID	CVE-2020-28394
CVSS SCORE	3.3, AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
AFFECTED VENDORS	Siemens
AFFECTED PRODUCTS	JT2Go
VULNERABILITY DETAILS	This vulnerability allows remote attackers to disclose sensitive information 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. The specific flaw exists within the parsing of RAS 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 arbitrary 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-21-040-06
DISCLOSURE TIMELINE	2020-12-04 - Vulnerability reported to vendor 2021-02-24 - Coordinated public release of advisory
CREDIT	Francis Provencher {PRL}

BACK TO ADVISORIES