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CVE-2021-40731— Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

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 Reader Dc是美国Adobe公司的一个 Pdf 阅读工具。用于可靠查看、打印和注释 Pdf 文档。 Adobe Acrobat Reader DC 中存在缓冲区错误漏洞，该漏洞源于在处理用户输入数据时未能正确判断内存边界。远程攻击者可通过该漏洞利用专门制作的PDF文档导致越界写触发代码执行。

AI Predicted 7.8 Difficulty: Moderate EPSS 8.26% · P94
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I. Basic Information for CVE-2021-40731

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Acrobat Reader DC version 21.007.20095 (and earlier), 21.007.20096 (and earlier), 20.004.30015 (and earlier), and 17.011.30202 (and earlier) is affected by an out-of-bounds write vulnerability when parsing a crafted JPEG2000 file, which could result 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
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Acrobat Reader Dc 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Acrobat Reader Dc是美国Adobe公司的一个 Pdf 阅读工具。用于可靠查看、打印和注释 Pdf 文档。 Adobe Acrobat Reader DC 中存在缓冲区错误漏洞，该漏洞源于在处理用户输入数据时未能正确判断内存边界。远程攻击者可通过该漏洞利用专门制作的PDF文档导致越界写触发代码执行。
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 ~ 21.007.20095 -

II. Public POCs for CVE-2021-40731

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III. Intelligence Information for CVE-2021-40731

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Vendor Advisories for CVE-2021-40731 (1)

Same Patch Batch · Adobe · 2021-10-15 · 8 CVEs total

CVE-2021-40720 9.8 CRITICAL Ops CLI Deserialization of Untrusted Data leads to Abritrary Code Execution
CVE-2021-40728 7.8 HIGH Adobe Acrobat Reader DC Use After Free Arbitrary Code Execution
CVE-2021-40724 7.8 HIGH Adobe Acrobat Reader Android Abritrary Code Execution Vulnerability
CVE-2021-39864 6.5 MEDIUM Adobe Commerce Cross-Site Request Forgery (CSRF) Could Lead To Unauthorized Cart Addition
CVE-2021-40721 6.1 MEDIUM Adobe Connect Reflected Cross Site Scripting
CVE-2021-40729 3.3 LOW Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure
CVE-2021-40730 Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerabili

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-787

V. Comments for CVE-2021-40731

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