VDB-156159 · CVE-2019-20823 · GCVE-0-2019-20823

Foxit PhantomPDF up to 8.3.10 Field AP buffer overflow

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Foxit PhantomPDF up to 8.3.10 and classified as critical. This vulnerability affects unknown code of the component Field AP Handler. Performing a manipulation results in buffer overflow. This vulnerability is cataloged as CVE-2019-20823. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Foxit PhantomPDF up to 8.3.10. This affects an unknown part of the component Field AP Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Foxit PhantomPDF before 8.3.11. It has a buffer overflow because a looping correction does not occur after JavaScript updates Field APs.

The weakness was shared 06/04/2020 (Website). It is possible to read the advisory at foxitsoftware.com. This vulnerability is uniquely identified as CVE-2019-20823 since 06/04/2020. It is possible to initiate the attack remotely. No form of authentication is needed for 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.

Upgrading to version 8.3.11 eliminates this vulnerability.

The entries VDB-93200, VDB-93201, VDB-93202 and VDB-93203 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Foxit

Name

PhantomPDF

Version

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: PhantomPDF 8.3.11

Timelineinfo

06/04/2020 🔍
06/04/2020 +0 days 🔍
06/05/2020 +1 days 🔍
10/22/2020 +139 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

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

CVE: CVE-2019-20823 (🔍)
GCVE (CVE): GCVE-0-2019-20823
GCVE (VulDB): GCVE-100-156159
See also: 🔍

Entryinfo

Created: 06/05/2020 16:17
Updated: 10/22/2020 11:45
Changes: 06/05/2020 16:17 (40), 06/05/2020 16:22 (17), 10/22/2020 11:45 (1)
Complete: 🔍
Cache ID: 216::103