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CVE-2021-34838

Quick assessment

Affected
Foxit PDF Reader
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Foxit PDF Reader是中国福昕（Foxit）公司的一款PDF阅读器。 Foxit PDF Reader 存在资源管理错误漏洞，该漏洞源于在对对象执行操作之前没有验证对象的存在性造成，攻击者可利用该漏洞在当前进程的上下文中执行代码。

AI Predicted 8.1 Difficulty: Easy EPSS 3.77% · P89

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34838

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit PDF Reader 11.0.0.49893. 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-14019.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Foxit PDF Reader 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Foxit PDF Reader是中国福昕（Foxit）公司的一款PDF阅读器。 Foxit PDF Reader 存在资源管理错误漏洞，该漏洞源于在对对象执行操作之前没有验证对象的存在性造成，攻击者可利用该漏洞在当前进程的上下文中执行代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Foxit PDF Reader 11.0.0.49893 -

II. Public POCs for CVE-2021-34838

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III. Intelligence Information for CVE-2021-34838

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Vendor Advisories for CVE-2021-34838 (1)

Same Patch Batch · Foxit · 2021-08-04 · 23 CVEs total

CVE-2021-34842 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34831 Foxit Reader 资源管理错误漏洞
CVE-2021-34832 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34833 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34834 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34835 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34836 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34837 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34839 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34840 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34841 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34853 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34843 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34844 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34845 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34846 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34847 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34848 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34849 Foxit PDF Reader 资源管理错误漏洞
CVE-2021-34850 Foxit PDF Reader 资源管理错误漏洞

Showing top 20 of 23 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: PDF Reader
Same vendor: Foxit
Same weakness: CWE-416

V. Comments for CVE-2021-34838

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