OpenText Brava! Desktop CGM File Parsing Stack-based Buffer Overflow Remote Code Execution Vulnerability
June 15th, 2021
Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop. 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 CGM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Additional Details
Fixed in Cgm2dl 1.9.8.14
Disclosure Timeline
- 2021-02-10 - Vulnerability reported to vendor
- 2021-06-15 - Coordinated public release of advisory
Credit
rgod
