Headline

CVE-2021-31478: ZDI-21-618

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 PDF 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-12633.

3 years ago

CVE

Open in Source

#vulnerability #rce #pdf #buffer_overflow

June 2nd, 2021

OpenText Brava! Desktop pdf2dl Heap-based Buffer Overflow Remote Code Execution Vulnerability****ZDI-21-618
ZDI-CAN-12633

CVE ID

CVE-2021-31478

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 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.

ADDITIONAL DETAILS

Fixed in version 16.6.4.92

DISCLOSURE TIMELINE