ZDI-21-537: Foxit Reader U3D File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit Reader. 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 handling of U3D objects embedded in 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 object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Foxit PDF Reader |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-537?
The severity of ZDI-21-537 is rated as medium due to the potential for sensitive information disclosure.
How do I fix ZDI-21-537?
To fix ZDI-21-537, update your Foxit Reader to the latest version provided by the vendor.
What type of attacks are possible with ZDI-21-537?
ZDI-21-537 allows remote attackers to disclose sensitive information through malicious pages or files.
Is user interaction required to exploit ZDI-21-537?
Yes, user interaction is required to exploit ZDI-21-537, as the target must either visit a malicious page or open a malicious file.
Which versions of Foxit Reader are affected by ZDI-21-537?
All affected installations of Foxit Reader are vulnerable to ZDI-21-537 depending on the version in use.
- agent/type
- agent/references
- agent/severity
- agent/title
- agent/description
- agent/source
- agent/softwarecombine
- agent/tags
- agent/event
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-21-537
- alias/ZDI-CAN-13273
- alias/CVE-2021-31448
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/foxit
- canonical/foxit pdf reader