Foxit PDF Reader 11.0.1.49938 JPG2000 File Parser heap-based overflow

Summaryinfo

A vulnerability identified as critical has been detected in Foxit PDF Reader 11.0.1.49938. This vulnerability affects unknown code of the component JPG2000 File Parser. Performing a manipulation results in heap-based overflow. This vulnerability is known as CVE-2021-34971. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Foxit PDF Reader 11.0.1.49938. This affects some unknown functionality of the component JPG2000 File Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. CWE is classifying the issue as CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Foxit PDF Reader JPG2000 File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader. 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 PDF files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14812.

It is possible to read the advisory at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2021-34971 since 06/17/2021. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Document Reader Software

Vendor

• Foxit

Name

• PDF Reader

Version

• 11.0.1.49938

License

• free

Website

• Vendor: https://www.foxitsoftware.com/

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