Buffer overflow in Opentext Brava! Desktop
CVE-2021-31491
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 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-12719.
Vulnerability class: Buffer Overflow
EPSS: 0.014 (70.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Opentext Brava! Desktop — versions 16.6.3.84
- Opentext Brava\!_desktop — versions 16.6.3.84
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
- nvd@nist.gov (Third Party Advisory)
- nvd@nist.gov (Product)
Frequently asked questions
- What is CVE-2021-31491?
- CVE-2021-31491 is a high-severity vulnerability in Opentext Brava! Desktop, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-06-15.
- How severe is CVE-2021-31491?
- High severity. CVSS v3 base score is 7.8 out of 10.