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CVE-2021-44740— Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service

Quick assessment

Affected
Adobe Acrobat 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.

Adobe Acrobat and Reader DC是美国Adobe公司的有一个PDF创建程序。提供了一个PDF 创建程序。 Adobe Acrobat and Reader 存在代码问题漏洞，该漏洞源于 NULL 指针取消引用错误。远程攻击者可以诱骗受害者打开特制的 PDF 文件并执行拒绝服务 (DoS) 攻击。

CVSS 3.3 · Low EPSS 3.63% · P89

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-44740

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
Source: CVE Program / CVE List V5
Vulnerability Description
Acrobat Reader DC version 21.007.20099 (and earlier), 20.004.30017 (and earlier) and 17.011.30204 (and earlier) are affected by a Null pointer dereference vulnerability when parsing a specially crafted file. An unauthenticated attacker could leverage this vulnerability to achieve an application denial-of-service in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat and Reader DC 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat and Reader DC是美国Adobe公司的有一个PDF创建程序。提供了一个PDF 创建程序。 Adobe Acrobat and Reader 存在代码问题漏洞，该漏洞源于 NULL 指针取消引用错误。远程攻击者可以诱骗受害者打开特制的 PDF 文件并执行拒绝服务 (DoS) 攻击。
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
Adobe Acrobat Reader unspecified ~ 21.007.20099 -

II. Public POCs for CVE-2021-44740

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III. Intelligence Information for CVE-2021-44740

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Vendor Advisories for CVE-2021-44740 (1)

Same Patch Batch · Adobe · 2022-01-14 · 31 CVEs total

CVE-2021-44708 7.8 HIGH Adobe Acrobat Pro DC Heap Overflow could lead to Arbitrary code execution
CVE-2021-44710 7.8 HIGH Adobe Acrobat Reader Use-after-free could lead to Arbitrary code execution
CVE-2021-44704 7.8 HIGH Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution
CVE-2021-44705 7.8 HIGH Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution
CVE-2021-44703 7.8 HIGH Adobe Acrobat Pro DC Stack Overflow Vulnerability Arbitrary code execution
CVE-2021-44709 7.8 HIGH Adobe Acrobat Pro DC Heap Overflow Vulnerability could lead to Arbitrary code execution
CVE-2021-44711 7.8 HIGH Adobe Acrobat Reader DC annotation gestures integer overflow vulnerability
CVE-2021-44707 7.8 HIGH Adobe Acrobat Reader DC OTF Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnera
CVE-2021-44706 7.8 HIGH Adobe Acrobat Reader Collab.registerReview Use-After-Free Remote Execution Vulnerability
CVE-2021-45067 5.5 MEDIUM Adobe Acrobat Reader Memory Corruption could lead to Information Disclosure
CVE-2021-44712 5.5 MEDIUM Adobe Acrobat Reader Memory Corruption could lead to Application denial-of-service
CVE-2021-44713 5.5 MEDIUM Adobe Acrobat Reader DC Use After Free could lead to Application denial-of-service
CVE-2021-44741 3.3 LOW Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
CVE-2021-44715 3.3 LOW Adobe Acrobat Reader DC Out-of-Bounds Read Information Disclosure Vulnerability
CVE-2021-44742 3.3 LOW Adobe Reader Out-of-bounds Read Remote Code Execution Vulnerability
CVE-2021-43752 3.3 LOW Adobe Illustrator TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2021-45051 3.3 LOW Adobe Bridge JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability
CVE-2021-45052 3.3 LOW Adobe Bridge TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2021-44714 2.5 LOW Adobe Acrobat Reader Missing Custom Protocols in Warning Message Prompts
CVE-2021-44739 Adobe Acrobat Reader DC add-on (AxAcroPDFLib.AxAcroPDF) src NTLMv2 SSO Auth leak vulnerabi

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-476

V. Comments for CVE-2021-44740

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