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CVE-2020-7827— DaviewIndy Use-After-Free Vulnerability

Quick assessment

Affected
HumanTalk DavieIndy
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.

DaviewIndy是一款文档查看应用程序。该程序支持多种格式文档和图像的查看。 DaviewIndy 8.98.7及之前版本中存在资源管理错误漏洞。攻击者可利用该漏洞执行任意代码。

CVSS 7.8 · High EPSS 1.31% · P70
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I. Basic Information for CVE-2020-7827

Vulnerability Information
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Vulnerability Title
DaviewIndy Use-After-Free Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
DaviewIndy 8.98.7 and earlier version contain Use-After-Free vulnerability, triggered when the user opens a malformed specific file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution.
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
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
DaviewIndy 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DaviewIndy是一款文档查看应用程序。该程序支持多种格式文档和图像的查看。 DaviewIndy 8.98.7及之前版本中存在资源管理错误漏洞。攻击者可利用该漏洞执行任意代码。
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
HumanTalk DavieIndy 8.98.7 ~ 8.98.8 -

II. Public POCs for CVE-2020-7827

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III. Intelligence Information for CVE-2020-7827

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Other References for CVE-2020-7827 (1)

Same Patch Batch · HumanTalk · 2020-07-30 · 3 CVEs total

CVE-2020-7828 7.8 HIGH DaviewIndy Heap-based Buffer Overflow Vulnerability
CVE-2020-7829 7.8 HIGH DaviewIndy Heap-based Buffer Overflow Vulnerability

IV. Related Vulnerabilities

Same product: DavieIndy
Same vendor: HumanTalk
Same weakness: CWE-416

V. Comments for CVE-2020-7827

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