Foxit PDF Editor 11.0.0.49893 PolyLine Annotation use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Foxit PDF Editor 11.0.0.49893. It has been classified as critical. This affects an unknown part of the component PolyLine Annotation Handler. The manipulation leads to use after free. This vulnerability is uniquely identified as CVE-2021-34963. It is possible to initiate the attack remotely. There is no exploit available. It is recommended to upgrade the affected component. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Detailsinfo

A vulnerability was found in Foxit PDF Editor 11.0.0.49893 and classified as critical. Affected by this issue is some unknown processing of the component PolyLine Annotation Handler. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Foxit PDF Editor PolyLine Annotation Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of Annotation objects. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-14365.

The advisory is shared for download at zerodayinitiative.com. This vulnerability is handled as CVE-2021-34963 since 06/17/2021. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

Version

License

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: 🔍

CNA Base Score: 7.8
CNA Vector (Zero Day Initiative): 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
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 🔍
05/07/2024 +1055 days 🔍
05/08/2024 +0 days 🔍
03/31/2025 +327 days 🔍

Sourcesinfo

Vendor: foxitsoftware.com

Advisory: ZDI-21-1194
Status: Confirmed

CVE: CVE-2021-34963 (🔍)
GCVE (CVE): GCVE-0-2021-34963
GCVE (VulDB): GCVE-100-263444

Entryinfo

Created: 05/08/2024 01:29
Updated: 03/31/2025 11:38
Changes: 05/08/2024 01:29 (63), 03/31/2025 11:38 (4)
Complete: 🔍
Cache ID: 216:43D:103

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