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CVE-2021-39819— Adobe InCopy Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution

Quick assessment

Affected
Adobe InCopy
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 Incopy是美国Adobe公司的一款用于创作的文本编辑软件。 Adobe InCopy 存在缓冲区错误漏洞，该漏洞源于该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞触发任意文件系统写入。

CVSS 7.8 · High EPSS 1.71% · P77

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39819

Vulnerability Information
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Vulnerability Title
Adobe InCopy Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Adobe InCopy version 11.1 (and earlier) is affected by a memory corruption vulnerability due to insecure handling of a malicious XML file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.
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
在缓冲区结束位置之后访问内存
Source: CVE Program / CVE List V5
Vulnerability Title
Adobe Incopy 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Adobe Incopy是美国Adobe公司的一款用于创作的文本编辑软件。 Adobe InCopy 存在缓冲区错误漏洞，该漏洞源于该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞触发任意文件系统写入。
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 InCopy unspecified ~ 16.3 -

II. Public POCs for CVE-2021-39819

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III. Intelligence Information for CVE-2021-39819

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Vendor Advisories for CVE-2021-39819 (1)

Same Patch Batch · Adobe · 2021-09-27 · 18 CVEs total

CVE-2021-39826 8.6 HIGH Adobe Digital Editions Command Execution Vulnerability
CVE-2021-39823 7.8 HIGH svg-native-viewer Heap Buffer overflow Vulnerability
CVE-2021-40709 7.8 HIGH Adobe Photoshop Buffer Overflow leads to Arbitrary Code Execution
CVE-2021-39818 7.8 HIGH Adobe InCopy Memory Corruption Vulnerability Could Lead to Arbitrary Code Execution
CVE-2021-39825 7.8 HIGH Adobe Photoshop Elements Edit 2021 TTF Font Parsing Out-Of-Bounds Write Remote Code Execut
CVE-2021-28613 7.4 HIGH Adobe Creative Cloud Arbitrary File Overwrite Vulnerability
CVE-2021-40712 6.5 MEDIUM Adobe Experience Manager Path parameter Improper Input Validation Could Lead To DOS
CVE-2021-39827 6.5 MEDIUM Adobe Digital Editions Installer flaw leads to Arbitrary File System Write
CVE-2021-40714 6.1 MEDIUM Adobe Experience Manager Reflected Cross Site Scripting via accesskey parameter
CVE-2021-40713 5.9 MEDIUM Adobe Experience Manager Improper Certificate Validation Could Lead to Man In The Middle A
CVE-2021-39828 5.8 MEDIUM Adobe Digital Editions Installer flaw leads to Local Privilege Escalation
CVE-2021-40711 5.4 MEDIUM Adobe Experience Manager Stored Cross-Site Scripting Could Lead to Arbitrary Code Executio
CVE-2021-40702 Adobe Premiere Elements psd Memory Corruption Vulnerability Could Lead to Arbitrary Code E
CVE-2021-39824 Adobe Premiere Elements png Memory Corruption Vulnerability Could Lead to Arbitrary Code E
CVE-2021-40703 Adobe Premiere Elements m4a Memory Corruption Vulnerability Could Lead to Arbitrary Code E
CVE-2021-40701 Adobe Premiere Elements m4a Memory Corruption Vulnerability Could Lead to Arbitrary Code E
CVE-2021-40700 Adobe Premiere Elements TIFF Memory Corruption Vulnerability Could Lead to Arbitrary Code

IV. Related Vulnerabilities

Same product: InCopy
Same vendor: Adobe
Same weakness: CWE-788

V. Comments for CVE-2021-39819

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