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CVE-2021-40730— Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure Vulnerability

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 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 存在资源管理错误漏洞，该漏洞源于在处理PDF文件时存在释放后使用的问题。远程攻击者可通过专门制作的PDF文件，触发一个释放后使用错误错误在系统上读取信息导致敏感信息泄露。

AI Predicted 7.2 Difficulty: Easy EPSS 3.90% · P89
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I. Basic Information for CVE-2021-40730

Vulnerability Information
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Vulnerability Title
Adobe Acrobat Reader DC JPEG2000 Parsing Use-After-Free Information Disclosure 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 a use-after-free that allow a remote attacker to disclose sensitive information on affected installations of of Adobe Acrobat Reader DC. 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 parsing of JPG2000 images.
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
Adobe Acrobat Reader Dc 资源管理错误漏洞
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 存在资源管理错误漏洞，该漏洞源于在处理PDF文件时存在释放后使用的问题。远程攻击者可通过专门制作的PDF文件，触发一个释放后使用错误错误在系统上读取信息导致敏感信息泄露。
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-2021-40730

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III. Intelligence Information for CVE-2021-40730

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Vendor Advisories for CVE-2021-40730 (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-2021-40731 Adobe Acrobat Reader DC JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnera

IV. Related Vulnerabilities

Same product: Acrobat Reader
Same vendor: Adobe
Same weakness: CWE-416

V. Comments for CVE-2021-40730

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