CVE-2018-9953: Use After Free
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit Reader 9.0.1.1049. 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 XFA resolveNodes method of Button elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code under the context of the current process. Was ZDI-CAN-5528.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Foxit Readerto a version that resolves this vulnerability.Fixed in 9.0.1.1049Patch ZDI-CAN-5528
Event History
Frequently Asked Questions
What is the severity of CVE-2018-9953?
CVE-2018-9953 has a severity rating of critical due to its potential for remote code execution.
How do I fix CVE-2018-9953?
To fix CVE-2018-9953, update Foxit Reader or Foxit PhantomPDF to a version later than 9.0.1.1049.
What are the affected versions for CVE-2018-9953?
CVE-2018-9953 affects Foxit Reader and PhantomPDF versions up to 9.0.1.1049.
Is user interaction required to exploit CVE-2018-9953?
Yes, user interaction is required for CVE-2018-9953 because the target must open a malicious file or visit a malicious page.
What kind of attack does CVE-2018-9953 facilitate?
CVE-2018-9953 facilitates remote code execution attacks that allow attackers to execute arbitrary code on vulnerable installations.