Foxit Reader XFA Event type conversion

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$0-$5k0.00

A vulnerability was found in Foxit Reader (Document Reader Software) (unknown version). It has been rated as critical. This issue affects an unknown code block of the component XFA Event Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-704. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Foxit 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 XFA events. The issue results from the lack of proper validation of user-supplied data, which can result in a type confusion condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-6331.

The bug was discovered 07/19/2018. The weakness was published 07/31/2018 (Website). It is possible to read the advisory at foxitsoftware.com. The identification of this vulnerability is CVE-2018-14311 since 07/16/2018. The attack may be initiated remotely. No form of authentication is needed for a successful 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. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/12/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at 82783, 82784, 82785 and 82786.

Productinfoedit

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VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-704
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

07/16/2018 🔍
07/19/2018 +3 days 🔍
07/31/2018 +11 days 🔍
07/31/2018 +0 days 🔍
08/01/2018 +1 days 🔍
03/12/2020 +589 days 🔍

Sourcesinfoedit

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

Advisory: foxitsoftware.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-14311 (🔍)
See also: 🔍

Entryinfoedit

Created: 08/01/2018 07:43 AM
Updated: 03/12/2020 08:35 AM
Changes: (2) vulnerability_discoverydate advisory_confirm_url
Complete: 🔍

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