CVE-2021-31499
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 1.4%
exploitation probability
1.4%top 30% of all CVEs
observed exploitation
nono source reports it
In short
OpenText Brava! Desktop contains a buffer overflow vulnerability when opening malicious DWF files, allowing attackers to execute arbitrary code if a user is tricked into opening a crafted file.
Technical detail
The vulnerability exists in DWF file parsing due to insufficient validation of user-supplied data, resulting in a write past the end of an allocated buffer (CWE-787). An attacker can exploit this out-of-bounds write to achieve code execution in the context of the affected process by delivering a malicious DWF file to the target.
Summary generated and translated by AI from the official description.
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop 16.6.3.84. 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 DWF files. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12745.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
OpenText · Brava! Desktop