CVE-2021-31513
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 1.8%
exploitation probability
1.8%top 23% of all CVEs
observed exploitation
nono source reports it
In short
OpenText Brava! Desktop has a flaw in how it reads BMP image files that allows attackers to run malicious code if a user opens a specially crafted image or visits a malicious webpage.
Technical detail
CWE-787 (out-of-bounds write) in BMP file parsing lacks input validation, allowing an attacker to write past allocated buffer boundaries and execute arbitrary code in the application context. Exploitation requires user interaction (opening malicious file or visiting compromised page).
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 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 BMP 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-13678.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
OpenText · Brava! Desktop