HTTP: Foxit Reader and PhantomPDF ConvertToPDF Integer Overflow

This signature detects attempts to exploit a known vulnerability against Foxit Reader and PhantomPDF. A successful attack can lead to a integer overflow and arbitrary remote code execution within the context of the user.

Extended Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 9.6.0.25114. 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 JPEG files within CovertToPDF. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-9102.

References

CVE: CVE-2020-8844

Short Name

HTTP:STC:IMG:JPEG:FOXIT-IN-OV

Severity

Minor

Recommended

False

Recommended Action

Drop

HTTP: Foxit Reader and PhantomPDF ConvertToPDF Integer Overflow

Extended Description

References

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