Foxit PDF Reader/PDF Editor/PhantomPDF Signed Document signature verification

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Foxit PDF Reader, PDF Editor and PhantomPDF. It has been declared as problematic. Affected by this issue is some unknown functionality of the component Signed Document Handler. Executing a manipulation can lead to signature verification. This vulnerability is tracked as CVE-2021-40326. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Foxit PDF Reader, PDF Editor and PhantomPDF (Document Reader Software) (version now known) and classified as problematic. This vulnerability affects some unknown processing of the component Signed Document Handler. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Foxit PDF Reader before 11.1 and PDF Editor before 11.1, and PhantomPDF before 10.1.6, mishandle hidden and incremental data in signed documents. An attacker can write to an arbitrary file, and display controlled contents, during signature verification.

The weakness was disclosed 08/29/2022. The advisory is shared for download at foxit.com. This vulnerability was named CVE-2021-40326 since 08/30/2021. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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: 🔍

Timelineinfo

08/30/2021 🔍
08/29/2022 +364 days 🔍
08/29/2022 +0 days 🔍
10/09/2022 +41 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: foxit.com
Status: Confirmed

CVE: CVE-2021-40326 (🔍)
GCVE (CVE): GCVE-0-2021-40326
GCVE (VulDB): GCVE-100-207472

Entryinfo

Created: 08/29/2022 13:34
Updated: 10/09/2022 09:17
Changes: 08/29/2022 13:34 (39), 10/09/2022 09:17 (10)
Complete: 🔍
Cache ID: 216::103

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