HTTP: Foxit Reader and PhantomPDF XFA xdpContent Information Disclosure

This signature detects attempts to exploit a known vulnerability Foxit Reader and PhantomPDF. Successful exploitation would allow the attacker to gain sensitive information.

Extended Description

An exploitable out-of-bounds read vulnerability exists in the handling of certain XFA element attributes of Foxit Software's PDF Reader version 9.1.0.5096. A specially crafted PDF document can trigger an out-of-bounds read, which can disclose sensitive memory content and aid in exploitation when coupled with another vulnerability. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

References

CVE: CVE-2018-3956

URL: https://www.foxitsoftware.com/support/security-bulletins.php#content-2019 https://www.talosintelligence.com/vulnerability_reports/talos-2018-0626

Short Name

HTTP:CVE-2018-3956-INFO-DIS

Severity

Minor

Recommended

True

Recommended Action

Drop

HTTP: Foxit Reader and PhantomPDF XFA xdpContent Information Disclosure

Extended Description

References

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