CVE-2021-44747— Denial-of-Service (DoS) Vulnerability
Quick assessment
Affected
F-Secure F-Secure endpoint protection products on Mac, F-Secure Linux Security (32-bit), F-Secure Linux Security 64, F-Secure Atlant, F-Secure Internet Gatekeeper & F-Secure Security Cloud
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 Linux Security是芬兰F-Secure公司的一个集成的、开箱即用的安全解决方案。具有针对病毒和潜在有害应用程序的强大实时保护，它还包括主机入侵防护 (Hips) 功能，可防止未经授权的系统修改，以及用户空间和内核 Rootkit。 F-Secure Linux Security存在资源管理错误漏洞，该漏洞源于在某些F-Secure产品中使用的Fmlib组件在扫描模糊文件时可能会崩溃。该漏洞可以由攻击者可利用该漏洞远程触发。成功的攻击将导致反病毒引擎拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-44747
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 Linux Security whereby the Fmlib component used in certain F-Secure products can crash while scanning fuzzed files. The exploit can be triggered remotely by an attacker. A successful attack will result in Denial-of-Service 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:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
F-Secure Linux Security 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F-Secure Linux Security是芬兰F-Secure公司的一个集成的、开箱即用的安全解决方案。具有针对病毒和潜在有害应用程序的强大实时保护，它还包括主机入侵防护 (Hips) 功能，可防止未经授权的系统修改，以及用户空间和内核 Rootkit。 F-Secure Linux Security存在资源管理错误漏洞，该漏洞源于在某些F-Secure产品中使用的Fmlib组件在扫描模糊文件时可能会崩溃。该漏洞可以由攻击者可利用该漏洞远程触发。成功的攻击将导致反病毒引擎拒绝服务。
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 Mac, F-Secure Linux Security (32-bit), F-Secure Linux Security 64, F-Secure Atlant, F-Secure Internet Gatekeeper & F-Secure Security Cloud | All Version | - |
|
II. Public POCs for CVE-2021-44747
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-44747 (1)
IV. Related Vulnerabilities
Same vendor: F-Secure
V. Comments for CVE-2021-44747
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