Out-of-bounds Read in Opentext Brava! Desktop
CVE-2021-31506
This vulnerability allows remote attackers to disclose sensitive information 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 read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-13674.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Opentext Brava! Desktop — versions Build 16.6.4.55
- Opentext Brava\! Desktop
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-21-647/ (VDB Entry, Third Party Advisory)
- www.cvedetails.com/vulnerability-list/vendor_id-2032/product_id-96672/Opentext-… (Third Party Advisory)
- www.opentext.com/products/brava (Product)
Frequently asked questions
- What is CVE-2021-31506?
- CVE-2021-31506 is a low-severity vulnerability in Opentext Brava! Desktop, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2021-06-29.
- How severe is CVE-2021-31506?
- Low severity. CVSS v3 base score is 3.3 out of 10.
- Is CVE-2021-31506 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.