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I. Basic Information for CVE-2020-25705
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw in ICMP packets in the Linux kernel may allow an attacker to quickly scan open UDP ports. This flaw allows an off-path remote attacker to effectively bypass source port UDP randomization. Software that relies on UDP source port randomization are indirectly affected as well on the Linux Based Products (RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMATIC Cloud Connect 7: All versions, SIMATIC MV500 Family: All versions, SIMATIC NET CP 1243-1 (incl. SIPLUS variants): Versions 3.1.39 and later, SIMATIC NET CP 1243-7 LTE EU: Version
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用不充分的随机数
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全特征问题漏洞，该漏洞源于允许快速扫描打开的UDP端口。这个缺陷允许一个偏离路径的远程用户有效地绕过源端口UDP随机化。此漏洞的最大威胁是机密性和可能的完整性，因为依赖于UDP源端口随机化的软件也会间接受到影响。
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
VendorProductAffected VersionsCPESubscribe
-Siemens Lunux Based Products RUGGEDCOM RM1224: All versions between v5.0 and v6.4, SCALANCE M-800: All versions between v5.0 and v6.4, SCALANCE S615: All versions between v5.0 and v6.4, SCALANCE SC-600: All versions prior to v2.1.3, SCALANCE W1750D: v8.3.0.1, v8.6.0, and v8.7.0, SIMA -
II. Public POCs for CVE-2020-25705
#POC DescriptionSource LinkShenlong Link
1PoC for CVE-2020-25705 POC-2020-25705https://github.com/tdwyer/CVE-2020-25705POC Details
2Nonehttps://github.com/nanopathi/linux-4.19.72_CVE-2020-25705POC Details
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III. Intelligence Information for CVE-2020-25705
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IV. Related Vulnerabilities
Same vendor: n/a
Same weakness: CWE-330
V. Comments for CVE-2020-25705

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