ZDI-21-370: Esri ArcReader PMF File Parsing Use-After-Free 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. Crafted data in a PMF file can cause a pointer to be reused after it has been freed. 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-21-370?
The severity of ZDI-21-370 is considered high due to the potential for remote code execution.
How do I fix ZDI-21-370?
To fix ZDI-21-370, apply the latest security updates provided by Esri for ArcReader.
Who is affected by ZDI-21-370?
ZDI-21-370 affects users of Esri ArcReader who have not implemented the necessary security patches.
What type of attack does ZDI-21-370 involve?
ZDI-21-370 involves a remote code execution attack that requires user interaction.
What is the exploitation method for ZDI-21-370?
The exploitation method for ZDI-21-370 involves visiting a malicious webpage or opening a malicious file.
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- alias/CVE-2021-29096
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- canonical/esri arcreader