Foxit PhantomPDF up to 9.7 fxhtml2pdf.exe use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Foxit PhantomPDF. The affected element is an unknown function of the file fxhtml2pdf.exe. Executing a manipulation can lead to use after free. The identification of this vulnerability is CVE-2020-8855. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Foxit PhantomPDF. It has been declared as critical. This vulnerability affects an unknown part of the file fxhtml2pdf.exe. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PhantomPDF 9.7.0.2947. 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 fxhtml2pdf.exe module. 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 in the context of the current process. Was ZDI-CAN-9560.

The weakness was shared 02/14/2020. This vulnerability was named CVE-2020-8855 since 02/11/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 9.7.0.2947 eliminates this vulnerability.

The entries VDB-150245, VDB-150243 and VDB-150242 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 7.8
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PhantomPDF 9.7.0.2947

Timelineinfo

02/11/2020 🔍
02/14/2020 +3 days 🔍
02/16/2020 +2 days 🔍
05/11/2025 +1911 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2020-8855 (🔍)
GCVE (CVE): GCVE-0-2020-8855
GCVE (VulDB): GCVE-100-150244
See also: 🔍

Entryinfo

Created: 02/16/2020 20:05
Updated: 05/11/2025 18:23
Changes: 02/16/2020 20:05 (37), 02/16/2020 20:10 (11), 04/01/2024 07:15 (17), 04/01/2024 07:21 (20), 05/11/2025 18:23 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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