Heap-based buffer overflow in Brava! Desktop - CVE-2021-31485

 

Heap-based buffer overflow in Brava! Desktop - CVE-2021-31485

Published: June 4, 2021


Vulnerability identifier: #VU53802
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-31485
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing DWF files. A remote attacker can create a specially crafted DWF file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Brava! Desktop

How to mitigate CVE-2021-31485

Install updates from vendor's website.

Brava! Desktop - update to 6.6.4.114

External References

Related Security Bulletins