Foxit PDF Reader 11.0.0.49893 Annotation Object use after free

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Foxit PDF Reader 11.0.0.49893. Impacted is an unknown function of the component Annotation Object Handler. This manipulation causes use after free. This vulnerability is tracked as CVE-2021-34839. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Foxit PDF Reader 11.0.0.49893 (Document Reader Software). It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Annotation Object Handler. 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.

The weakness was disclosed 08/05/2021. The advisory is shared at zerodayinitiative.com. This vulnerability is known as CVE-2021-34839. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.9

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

NVD Base Score: 7.8
NVD Vector: 🔍

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: 🔍

Timelineinfo

06/17/2021 🔍
08/05/2021 +49 days 🔍
08/05/2021 +0 days 🔍
08/08/2021 +3 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: zerodayinitiative.com
Status: Confirmed

CVE: CVE-2021-34839 (🔍)
GCVE (CVE): GCVE-0-2021-34839
GCVE (VulDB): GCVE-100-180097

Entryinfo

Created: 08/05/2021 07:32
Updated: 08/08/2021 10:24
Changes: 08/05/2021 07:32 (37), 08/08/2021 10:19 (2), 08/08/2021 10:24 (19)
Complete: 🔍
Cache ID: 216::103

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