CVE-2021-31502: OpenText Brava! Desktop PDF File Parsing Use-After-Free Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13673.
Other sources
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 PDF files. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-31502?
CVE-2021-31502 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2021-31502?
To mitigate CVE-2021-31502, users should update OpenText Brava! Desktop to the latest version that addresses this vulnerability.
What versions of OpenText Brava! Desktop are affected by CVE-2021-31502?
CVE-2021-31502 specifically affects OpenText Brava! Desktop version 16.6.4.55.
What type of attack vector does CVE-2021-31502 utilize?
CVE-2021-31502 can be exploited through user interaction, requiring users to visit a malicious webpage or open a malicious file.
Can CVE-2021-31502 be exploited without user interaction?
No, CVE-2021-31502 cannot be exploited without user interaction as it requires the target to open a malicious file or visit a malicious page.