ZDI-21-367: 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-21-367?
The severity of ZDI-21-367 is considered high due to the potential for remote code execution.
How do I fix ZDI-21-367?
To fix ZDI-21-367, users should update Esri ArcReader to the latest patched version provided by Esri.
Who is affected by ZDI-21-367?
Users of Esri ArcReader are affected by ZDI-21-367.
What type of attack can ZDI-21-367 facilitate?
ZDI-21-367 can facilitate remote code execution attacks requiring user interaction.
Is user interaction required for ZDI-21-367?
Yes, user interaction is required for ZDI-21-367, as the target must visit a malicious page or open a malicious file.
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