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CVE-2022-34873: ZDI-22-952

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader 11.2.1.53537. 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 handling of Annotation objects. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-16777.

CVE
#vulnerability#java#pdf

July 7th, 2022

Foxit PDF Reader Annotation modDate Out-Of-Bounds Read Information Disclosure Vulnerability****ZDI-22-952
ZDI-CAN-16777

CVE ID

CVE-2022-34873

CVSS SCORE

3.3, (AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

AFFECTED VENDORS

Foxit

AFFECTED PRODUCTS

PDF Reader

VULNERABILITY DETAILS

This vulnerability allows remote attackers to disclose sensitive information 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 handling of Annotation objects. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process.

ADDITIONAL DETAILS

Foxit has issued an update to correct this vulnerability. More details can be found at:
https://www.foxit.com/support/security-bulletins.html

DISCLOSURE TIMELINE

  • 2022-04-01 - Vulnerability reported to vendor
  • 2022-07-07 - Coordinated public release of advisory

CREDIT

KMFL

BACK TO ADVISORIES

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