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CVE-2021-44703— Adobe Acrobat Pro DC Stack Overflow Vulnerability Arbitrary code execution

Quick assessment

Affected
Adobe Acrobat Reader
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Adobe Acrobat是美国奥多比（Adobe）公司的一套PDF文件编辑和转换工具。 Adobe Acrobat and Reader 存在安全漏洞，该漏洞源于处理 PDF 文件时出现边界错误。远程未经身份验证的攻击者可以诱骗受害者打开特制的 PDF 文件，触发基于堆栈的缓冲区溢出并在目标系统上执行任意代码。

CVSS 7.8 · High EPSS 57.30% · P99
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I. Basic Information for CVE-2021-44703

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Pro DC Stack Overflow Vulnerability Arbitrary code execution
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 stack buffer overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution 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:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat是美国奥多比（Adobe）公司的一套PDF文件编辑和转换工具。 Adobe Acrobat and Reader 存在安全漏洞，该漏洞源于处理 PDF 文件时出现边界错误。远程未经身份验证的攻击者可以诱骗受害者打开特制的 PDF 文件，触发基于堆栈的缓冲区溢出并在目标系统上执行任意代码。
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
Adobe Acrobat Reader unspecified ~ 21.007.20099 -

II. Public POCs for CVE-2021-44703

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III. Intelligence Information for CVE-2021-44703

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Vendor Advisories for CVE-2021-44703 (1)

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

CVE-2021-44710 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-2021-44704 7.8 HIGH Adobe Acrobat Reader Use-After-Free could lead to Arbitrary code execution
CVE-2021-44709 7.8 HIGH Adobe Acrobat Pro DC Heap Overflow Vulnerability could lead to Arbitrary code execution
CVE-2021-44708 7.8 HIGH Adobe Acrobat Pro DC Heap Overflow could lead to Arbitrary code execution
CVE-2021-44711 7.8 HIGH Adobe Acrobat Reader DC annotation gestures integer overflow vulnerability
CVE-2021-44706 7.8 HIGH Adobe Acrobat Reader Collab.registerReview Use-After-Free Remote Execution Vulnerability
CVE-2021-44707 7.8 HIGH Adobe Acrobat Reader DC OTF Font Parsing Out-Of-Bounds Write Remote Code Execution Vulnera
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-2021-45052 3.3 LOW Adobe Bridge TIF File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability
CVE-2021-44742 3.3 LOW Adobe Reader Out-of-bounds Read Remote Code Execution Vulnerability
CVE-2021-44715 3.3 LOW Adobe Acrobat Reader DC Out-of-Bounds Read Information Disclosure Vulnerability
CVE-2021-44741 3.3 LOW Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
CVE-2021-44740 3.3 LOW Adobe Acrobat Pro DC NULL Pointer Dereference could lead to Application-denial-of-service
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-2021-44714 2.5 LOW Adobe Acrobat Reader Missing Custom Protocols in Warning Message Prompts
CVE-2021-45060 Adobe Acrobat Reader DC TTF Font Parsing Out-Of-Bounds Read Remote Code Execution Vulnerab

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

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-121

V. Comments for CVE-2021-44703

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