VDB-180653 · CVE-2021-38563 · GCVE-0-2021-38563

Foxit PDF Reader/PDF Editor up to 11.0.0 out-of-bounds write

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Foxit PDF Reader and PDF Editor up to 11.0.0. Affected by this vulnerability is an unknown functionality. The manipulation leads to out-of-bounds write. This vulnerability is listed as CVE-2021-38563. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit PDF Reader and PDF Editor up to 11.0.0 (Document Reader Software) and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

The weakness was presented 08/12/2021. The advisory is shared at foxitsoftware.com. The identification of this vulnerability is CVE-2021-38563. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 11.0.1 eliminates this vulnerability.

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Productinfo

Type

Document Reader Software

Vendor

Foxit

Name

Version

11.0

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

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

CVSSv2info

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

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

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / 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: PDF Reader/PDF Editor 11.0.1

Timelineinfo

08/11/2021 🔍
08/12/2021 +1 days 🔍
08/12/2021 +0 days 🔍
08/16/2021 +4 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxitsoftware.com
Status: Confirmed

CVE: CVE-2021-38563 (🔍)
GCVE (CVE): GCVE-0-2021-38563
GCVE (VulDB): GCVE-100-180653

Entryinfo

Created: 08/12/2021 09:15
Updated: 08/16/2021 18:23
Changes: 08/12/2021 09:15 (38), 08/16/2021 18:23 (2)
Complete: 🔍
Cache ID: 216::103