CVE-2020-7870
Quick assessment
Affected
UNIDOCS ezPDF 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.
ezPDF是一款手机PDF阅读器。它可以帮助用户们去搜索手机里的所有PDF文件,并且可以帮助用户快速打开这些PDF文件进行查看。 ezPDF存在缓冲区错误漏洞，该漏洞源于参数验证不足引起的内存损坏。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2020-7870
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A memory corruption vulnerability exists when ezPDF improperly handles the parameter. This vulnerability exists due to insufficient validation of the parameter.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
ezPDF 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ezPDF是一款手机PDF阅读器。它可以帮助用户们去搜索手机里的所有PDF文件,并且可以帮助用户快速打开这些PDF文件进行查看。 ezPDF存在缓冲区错误漏洞，该漏洞源于参数验证不足引起的内存损坏。
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 |
|---|---|---|---|---|
| UNIDOCS | ezPDF Reader | 3 ~ 3.0.0.1 | - |
|
| UNIDOCS | ezPDF Editor | 3 ~ 3.0.6.4 | - |
|
II. Public POCs for CVE-2020-7870
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2020-7870 (1)
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V. Comments for CVE-2020-7870
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