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CVE-2021-31512

Quick assessment

Affected
OpenText Brava! Desktop
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.

Opentext OpenText Brava!是加拿大OpenText（Opentext）公司的一款基于浏览器的通用文档查看器。该产品支持查看、注释和编辑多种类型的文档。 OpenText Brava! Desktop 存在缓冲区错误漏洞，该漏洞源于程序缺乏对用户提供的数据的正确验证，这可能导致写入超出已分配的缓冲区的末端。攻击者利用该漏洞可以在当前进程的上下文中执行代码。

AI Predicted 7.8 Difficulty: Easy EPSS 1.81% · P77

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-31512

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows remote attackers to execute arbitrary code on affected installations of OpenText Brava! Desktop Build 16.6.4.55. 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 TIF files. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13677.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
Source: CVE Program / CVE List V5
Vulnerability Title
OpenText Brava! 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Opentext OpenText Brava!是加拿大OpenText（Opentext）公司的一款基于浏览器的通用文档查看器。该产品支持查看、注释和编辑多种类型的文档。 OpenText Brava! Desktop 存在缓冲区错误漏洞，该漏洞源于程序缺乏对用户提供的数据的正确验证，这可能导致写入超出已分配的缓冲区的末端。攻击者利用该漏洞可以在当前进程的上下文中执行代码。
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
OpenText Brava! Desktop Build 16.6.4.55 -

II. Public POCs for CVE-2021-31512

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III. Intelligence Information for CVE-2021-31512

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Vendor Advisories for CVE-2021-31512 (1)

Same Patch Batch · OpenText · 2021-06-29 · 9 CVEs total

CVE-2021-31514 Opentext OpenText Brava! 缓冲区错误漏洞
CVE-2021-31513 OpenText Brava! 缓冲区错误漏洞
CVE-2021-31511 Opentext OpenText Brava! 缓冲区错误漏洞
CVE-2021-31510 OpenText Brava! 缓冲区错误漏洞
CVE-2021-31509 OpenText Brava! 缓冲区错误漏洞
CVE-2021-31507 OpenText Brava! 安全漏洞
CVE-2021-31508 Opentext OpenText Brava! 缓冲区错误漏洞
CVE-2021-31506 OpenText Brava! 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Brava! Desktop
Same vendor: OpenText
Same weakness: CWE-125

V. Comments for CVE-2021-31512

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