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CVE-2017-5645

Quick assessment

Affected
Apache Software Foundation Apache Log4j
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Log4j是美国阿帕奇（Apache）基金会的一款基于Java的开源日志记录工具。 Apache Log4j 2.8.2之前的2.x版本中存在代码问题漏洞。攻击者可利用该漏洞执行任意代码。

AI Predicted 9.8 Difficulty: Trivial EPSS 89.36% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache Log4j All versions between 2.0-alpha1 and 2.8.1 affected
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I. Basic Information for CVE-2017-5645

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Apache Log4j 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache Log4j是美国阿帕奇（Apache）基金会的一款基于Java的开源日志记录工具。 Apache Log4j 2.8.2之前的2.x版本中存在代码问题漏洞。攻击者可利用该漏洞执行任意代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Log4j All versions between 2.0-alpha1 and 2.8.1 -

II. Public POCs for CVE-2017-5645

# POC Description Source Link Shenlong Link
1 CVE-2017-5645 - Apache Log4j RCE due Insecure Deserialization https://github.com/pimps/CVE-2017-5645 POC Details
2 In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server to receive serialized log events from another application, a specially crafted binary payload can be sent that, when deserialized, can execute arbitrary code. https://github.com/projectdiscovery/nuclei-templates/blob/main/network/cves/2017/CVE-2017-5645.yaml POC Details
3 None https://github.com/Threekiii/Awesome-POC/blob/master/%E4%B8%AD%E9%97%B4%E4%BB%B6%E6%BC%8F%E6%B4%9E/Apache%20Log4j%20Server%20%E5%8F%8D%E5%BA%8F%E5%88%97%E5%8C%96%E5%91%BD%E4%BB%A4%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2017-5645.md POC Details
4 https://github.com/vulhub/vulhub/blob/master/log4j/CVE-2017-5645/README.md POC Details
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III. Intelligence Information for CVE-2017-5645

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Vendor Advisories for CVE-2017-5645 (40)

Mailing List Discussions for CVE-2017-5645 (40)

Other References for CVE-2017-5645 (1)

Same Patch Batch · Apache Software Foundation · 2017-04-17 · 7 CVEs total

CVE-2016-5396 Apache Traffic Server 安全漏洞
CVE-2017-5659 Apache Traffic Server 安全漏洞
CVE-2017-5647 Apache Tomcat 安全漏洞
CVE-2017-5648 Apache Tomcat 安全漏洞
CVE-2017-5650 Apache Tomcat 安全漏洞
CVE-2017-5651 Apache Tomcat 安全漏洞

IV. Related Vulnerabilities

Same product: Apache Log4j
Same vendor: Apache Software Foundation