CVE-2021-33603— Denial-of-Service (DoS) Vulnerability
Quick assessment
Affected
F-Secure F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Atlant F-Secure Cloud Protection for Salesforce and Cloud Protection for Microsoft Office 365
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.
F-secure Atlant是芬兰F-Secure（F-secure）公司的一个构建可以扫描和检测恶意文件的应用程序的平台。 F-Secure Atlant 存在安全漏洞，该漏洞源于某些F-Secure产品中使用的AVPACK模块组件在扫描模糊文件时可能会崩溃。该漏洞可以由攻击者远程触发。攻击成功将导致防病毒引擎的拒绝服务(DoS)。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-33603
Vulnerability Information
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Vulnerability Title
Denial-of-Service (DoS) Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
A Denial-of-Service (DoS) vulnerability was discovered in F-Secure Atlant whereby the AVPACK module component used in certain F-Secure products can crash while scanning a fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service (DoS) of the Anti-Virus engine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
F-secure Atlant 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F-secure Atlant是芬兰F-Secure（F-secure）公司的一个构建可以扫描和检测恶意文件的应用程序的平台。 F-Secure Atlant 存在安全漏洞，该漏洞源于某些F-Secure产品中使用的AVPACK模块组件在扫描模糊文件时可能会崩溃。该漏洞可以由攻击者远程触发。攻击成功将导致防病毒引擎的拒绝服务(DoS)。
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 |
|---|---|---|---|---|
| F-Secure | F-Secure endpoint protection products on Windows and Mac. F-Secure Linux Security (32-bit) F-Secure Linux Security 64 F-Secure Atlant F-Secure Cloud Protection for Salesforce and Cloud Protection for Microsoft Office 365 | All Version | - |
|
II. Public POCs for CVE-2021-33603
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-33603 (2)
IV. Related Vulnerabilities
Same vendor: F-Secure
V. Comments for CVE-2021-33603
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