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CVE-2021-42727— Adobe Bridge Buffer Overflow Arbitrary code execution

Quick assessment

Affected
Adobe Bridge
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 RoboHelp是美国Adobe公司的一个应用软件。用于创作和发布帮助，策略和知识库内容的下一代软件。 Adobe RoboHelp Server 存在缓冲区错误漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

CVSS 7.8 · High EPSS 39.40% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-42727

Vulnerability Information
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Vulnerability Title
Adobe Bridge Buffer Overflow Arbitrary code execution
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe Bridge 11.1.1 (and earlier) is affected by a stack overflow vulnerability due to insecure handling of a crafted file, potentially resulting in arbitrary code execution in the context of the current user. Exploitation requires user interaction in that a victim must open a crafted file in Bridge.
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
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe RoboHelp 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe RoboHelp是美国Adobe公司的一个应用软件。用于创作和发布帮助，策略和知识库内容的下一代软件。 Adobe RoboHelp Server 存在缓冲区错误漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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 Bridge unspecified ~ 11.1.1 -

II. Public POCs for CVE-2021-42727

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III. Intelligence Information for CVE-2021-42727

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Vendor Advisories for CVE-2021-42727 (1)

Same Patch Batch · Adobe · 2021-11-22 · 12 CVEs total

CVE-2021-43015 7.8 HIGH Adobe InCopy GIF File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-42738 7.8 HIGH Adobe Prelude MXF File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-42737 7.8 HIGH Adobe Prelude WAV File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-40770 7.8 HIGH Adobe Prelude M4A File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-43016 5.5 MEDIUM Adobe InCopy NULL Pointer Dereference Application Denial of Service
CVE-2021-42733 5.5 MEDIUM Adobe Bridge NULL Pointer Dereference could lead to Application denial-of-service
CVE-2021-40774 5.5 MEDIUM Adobe Prelude NULL Pointer Dereference Application Denial of Service
CVE-2021-40773 5.5 MEDIUM Adobe Prelude NULL Pointer Dereference Application Denial of Service
CVE-2021-40775 Adobe Prelude SVG File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-40772 Adobe Prelude M4A File Parsing Memory Corruption Arbitrary Code Execution
CVE-2021-40771 Adobe Prelude WAV File Parsing Memory Corruption Arbitrary Code Execution

IV. Related Vulnerabilities

Same product: Bridge
Same vendor: Adobe
Same weakness: CWE-787

V. Comments for CVE-2021-42727

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