VDB-162215 · CVE-2020-26537 · GCVE-0-2020-26537

Foxit Reader/PhantomPDF up to 10.0 Shading memory corruption

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.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Foxit Reader and PhantomPDF up to 10.0. This impacts an unknown function of the component Shading Handler. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2020-26537. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit Reader and PhantomPDF up to 10.0 (Document Reader Software). It has been rated as critical. This issue affects an unknown code of the component Shading Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Foxit Reader and PhantomPDF before 10.1. In a certain Shading calculation, the number of outputs is unequal to the number of color components in a color space. This causes an out-of-bounds write.

The weakness was published 10/02/2020. The identification of this vulnerability is CVE-2020-26537 since 10/02/2020. 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.

Upgrading to version 10.1 eliminates this vulnerability.

Similar entries are available at VDB-162218, VDB-162217, VDB-162216 and VDB-162214. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Document Reader Software

Vendor

Foxit

Name

Version

10.0

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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: Reader/PhantomPDF 10.1

Timelineinfo

10/02/2020 🔍
10/02/2020 +0 days 🔍
10/02/2020 +0 days 🔍
11/15/2020 +44 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Status: Not defined

CVE: CVE-2020-26537 (🔍)
GCVE (CVE): GCVE-0-2020-26537
GCVE (VulDB): GCVE-100-162215
See also: 🔍

Entryinfo

Created: 10/02/2020 14:14
Updated: 11/15/2020 18:00
Changes: 10/02/2020 14:14 (37), 10/02/2020 14:19 (4), 11/14/2020 09:38 (4), 11/15/2020 18:00 (14)
Complete: 🔍
Cache ID: 216::103