ZDI-21-365: Esri ArcReader PMF File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Esri ArcReader. 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 PMF 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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Esri ArcReader |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-365?
The severity of ZDI-21-365 is classified as high, as it allows remote code execution.
How do I fix ZDI-21-365?
To fix ZDI-21-365, update your Esri ArcReader to the latest patched version provided by Esri.
What software is affected by ZDI-21-365?
ZDI-21-365 affects Esri ArcReader installations.
What is the nature of the vulnerability ZDI-21-365?
ZDI-21-365 is a remote code execution vulnerability requiring user interaction to exploit.
Is user interaction required to exploit ZDI-21-365?
Yes, exploitation of ZDI-21-365 requires the user to visit a malicious page or open a malicious file.
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- alias/CVE-2021-29097
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