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CVE-2020-25645

Quick assessment

Affected
n/a kernel
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.

Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux内核 5.9-rc7之前版本存在安全漏洞，该漏洞源于当IPsec被配置为加密由Geneve隧道使用的特定UDP端口的流量时，两个Geneve端点之间的流量可能是未加密的，允许这两个端点之间的任何人读取未加密的流量。这个漏洞的主要威胁是数据的机密性。

AI Predicted 5.9 Difficulty: Moderate EPSS 2.43% · P84
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I. Basic Information for CVE-2020-25645

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the Linux kernel in versions before 5.9-rc7. Traffic between two Geneve endpoints may be unencrypted when IPsec is configured to encrypt traffic for the specific UDP port used by the GENEVE tunnel allowing anyone between the two endpoints to read the traffic unencrypted. The main threat from this vulnerability is to data confidentiality.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会发布的开源操作系统Linux所使用的内核。 Linux内核 5.9-rc7之前版本存在安全漏洞，该漏洞源于当IPsec被配置为加密由Geneve隧道使用的特定UDP端口的流量时，两个Geneve端点之间的流量可能是未加密的，允许这两个端点之间的任何人读取未加密的流量。这个漏洞的主要威胁是数据的机密性。
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
- kernel Linux kernel versions before 5.9-rc7 -

II. Public POCs for CVE-2020-25645

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III. Intelligence Information for CVE-2020-25645

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Vendor Advisories for CVE-2020-25645 (3)

Exploits & Public PoCs for CVE-2020-25645 (1)

Mailing List Discussions for CVE-2020-25645 (4)

Same Patch Batch · n/a · 2020-10-13 · 7 CVEs total

CVE-2020-7743 7.3 HIGH Prototype Pollution
CVE-2020-12911 AMD Radeon Directx 11 Driver缓冲区错误漏洞
CVE-2020-12928 AMD Ryzen 安全特征问题漏洞
CVE-2020-12933 AMD Radeon Directx 11 Driver 处理程序功能缓冲区错误漏洞
CVE-2020-13957 Apache Solr 安全漏洞
CVE-2018-20243 fineract jira 安全漏洞

IV. Related Vulnerabilities

Same product: kernel
Same vendor: n/a
Same weakness: CWE-319

V. Comments for CVE-2020-25645

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