Vulnerability Details CVE-2021-31511
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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-13676.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.8%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 6.8
References
- https://www.zerodayinitiative.com/advisories/ZDI-21-689/
- https://www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-Brava-Desktop.html?page=1&opec=1&order=1&trc=35&sha=37f4ed0596f8ccacca7d571f22a38c97b0f19f4c
- https://www.opentext.com/products/brava
- https://www.zerodayinitiative.com/advisories/ZDI-21-689/
Products affected by CVE-2021-31511
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cpe:2.3:a:opentext:brava!_desktop:-
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cpe:2.3:a:opentext:brava!_desktop:16.6.3.84
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cpe:2.3:a:opentext:brava!_desktop:16.6.4.55