Headline
CVE-2021-31485: ZDI-21-625
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 DWF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12711.
June 2nd, 2021
OpenText Brava! Desktop DWF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability****ZDI-21-625
ZDI-CAN-12711
CVE ID
CVE-2021-31485
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 DWF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
ADDITIONAL DETAILS
Fixed in version 6.6.4.114
DISCLOSURE TIMELINE
- 2021-02-12 - Vulnerability reported to vendor
- 2021-06-02 - Coordinated public release of advisory
CREDIT
rgod
BACK TO ADVISORIES