CVE-2021-42120— Missing Character Length (Denial of Service) in TopEase
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I. Basic Information for CVE-2021-42120
Vulnerability Information
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Vulnerability Title
Missing Character Length (Denial of Service) in TopEase
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient Input Validation in Web Applications operating on Business-DNA Solutions GmbH’s TopEase® Platform Version <= 7.1.27 on all object attributes allows an authenticated remote attacker with Object Modification privileges to insert arbitrarily long strings, eventually leading to exhaustion of the underlying resource.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Business-Dna Solution GmbH TopEase 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Business-Dna Solution GmbH TopEase是瑞士Business-Dna Solution GmbH公司的一种“转型风险”解决方案。用于全面、简单、快速和安全地管理复杂的项目和措施。 BAB TECHNOLOGIE GmbH eibPort 存在资源管理错误漏洞，该漏洞源于在 Business-DNA Solutions GmbH 的 TopEase平台版本= 7.1.27 上对所有对象属性运行的 Web 应用程序中的输入验证不足。攻击者可利用该漏洞插入任意长的字符串，最终导致耗
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 |
|---|---|---|---|---|
| Business-DNA Solutions GmbH | TopEase | unspecified ~ 7.1.27 | - |
II. Public POCs for CVE-2021-42120
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://confluence.topease.ch/confluence/display/DOC/Release+Notesx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-42120
Same Patch Batch · Business-DNA Solutions GmbH · 2021-11-30 · 11 CVEs total
| CVE-2021-42115 | 8.1 HIGH | Missing HTTPOnly flag on sensitive cookie in TopEase |
| CVE-2021-42118 | 8.1 HIGH | Stored XSS in TopEase |
| CVE-2021-42545 | 8.1 HIGH | Insufficient Session Expiration in TopEase |
| CVE-2021-42544 | 7.5 HIGH | Lack of Rate limiting in Authentication in TopEase |
| CVE-2021-42119 | 7.3 HIGH | Stored XSS in Search Function in TopEase |
| CVE-2021-42123 | 7.3 HIGH | Missing Upload Filter in TopEase |
| CVE-2021-42116 | 4.3 MEDIUM | Unauthorized Menu Item Access in TopEase |
| CVE-2021-42121 | 4.3 MEDIUM | Denial of Service via Invalid Date Format in TopEase |
| CVE-2021-42122 | 4.3 MEDIUM | Denial of Service via Invalid Object Attribute in TopEase |
| CVE-2021-42117 | 3.5 LOW | UI Redressing in TopEase |
IV. Related Vulnerabilities
Same product: TopEase
- CVE-2021-42545
Insufficient Session Expiration in TopEase - CVE-2021-42123
Missing Upload Filter in TopEase - CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase - CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase - CVE-2021-42121
Denial of Service via Invalid Date Format in TopEase
Same vendor: Business-DNA Solutions GmbH
- CVE-2021-42545
Insufficient Session Expiration in TopEase - CVE-2021-42123
Missing Upload Filter in TopEase - CVE-2021-42544
Lack of Rate limiting in Authentication in TopEase - CVE-2021-42122
Denial of Service via Invalid Object Attribute in TopEase - CVE-2021-42121
Denial of Service via Invalid Date Format in TopEase
Same weakness: CWE-20
V. Comments for CVE-2021-42120
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