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CVE-2021-40729— Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure

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 存在缓冲区错误漏洞，攻击者可利用该漏洞创建精心构建的PDF文件，诱使受害者打开该文件，触发越界读取错误并读取系统上的内存内容。

CVSS 3.3 · Low EPSS 4.28% · P90
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I. Basic Information for CVE-2021-40729

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader DC PDF Out-of-Bound Read Vulnerability Information Disclosure
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 a out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of this issue requires user interaction in that a victim must open a malicious PDF file.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
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 存在缓冲区错误漏洞，攻击者可利用该漏洞创建精心构建的PDF文件，诱使受害者打开该文件，触发越界读取错误并读取系统上的内存内容。
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-2021-40729

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III. Intelligence Information for CVE-2021-40729

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Vendor Advisories for CVE-2021-40729 (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-2021-40731 Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnera
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-125

V. Comments for CVE-2021-40729

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