ZDI-21-369: 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-21-369?
The severity of ZDI-21-369 is critical, as it allows remote code execution via malicious content.
How do I fix ZDI-21-369?
To fix ZDI-21-369, update Esri ArcReader to the latest version that addresses this vulnerability.
Who is affected by ZDI-21-369?
Users of Esri ArcReader are affected by the ZDI-21-369 vulnerability.
What type of attack is associated with ZDI-21-369?
ZDI-21-369 is associated with remote code execution attacks requiring user interaction.
What do users need to do to exploit ZDI-21-369?
To exploit ZDI-21-369, users must visit a malicious webpage or open a malicious file.
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