#VU53808 Access of uninitialized pointer in Brava! Desktop - CVE-2021-31479

Vulnerability identifier: #VU53808

Vulnerability risk: High

CVSSv4.0: 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/E:U/U:Amber

CVE-ID: CVE-2021-31479

CWE-ID: CWE-824

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Brava! Desktop

Software vendor:
OpenText

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to boundary error in pdf2dl component. A remote attacker can create a specially crafted PDF file, trick the victim into opening it, access the  uninitialized pointer and execute arbitrary code on the system.

Install updates from vendor's website.

• https://www.zerodayinitiative.com/advisories/ZDI-21-619/