Headline

CVE-2021-31504: ZDI-21-646

This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop Build 16.6.3.84 (package 16.6.3.134). 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 proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12691.

3 years ago

CVE

Open in Source

#vulnerability #rce #pdf

June 7th, 2021

OpenText Brava! Desktop PDF File Parsing Untrusted Pointer Dereference Remote Code Execution Vulnerability****ZDI-21-646
ZDI-CAN-12691

CVE ID

CVE-2021-31504

CVSS SCORE

7.8, (AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

OpenText

AFFECTED PRODUCTS

Brava! Desktop

VULNERABILITY DETAILS

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 proper validation of a user-supplied value prior to dereferencing it as a pointer. An attacker can leverage this vulnerability to execute code in the context of the current process.

ADDITIONAL DETAILS

Fixed in version 16.6.4.92

DISCLOSURE TIMELINE