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CVE-2024-38477— Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request

Quick assessment

Affected
Apache Software Foundation Apache HTTP Server
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.

Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.59及之前版本存在代码问题漏洞，该漏洞源于空指针取消引用，允许攻击者通过恶意请求使服务器崩溃。

AI Predicted 5.3 Difficulty: Trivial EPSS 3.15% · P87

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-38477

Vulnerability Information
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Vulnerability Title
Apache HTTP Server: Crash resulting in Denial of Service in mod_proxy via a malicious request
Source: CVE Program / CVE List V5
Vulnerability Description
null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, which fixes this issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
Apache HTTP Server 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache HTTP Server是美国阿帕奇（Apache）基金会的一款开源网页服务器。该服务器具有快速、可靠且可通过简单的API进行扩充的特点。 Apache HTTP Server 2.4.59及之前版本存在代码问题漏洞，该漏洞源于空指针取消引用，允许攻击者通过恶意请求使服务器崩溃。
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
Apache Software Foundation Apache HTTP Server 2.4.0 ~ 2.4.59 -

II. Public POCs for CVE-2024-38477

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III. Intelligence Information for CVE-2024-38477

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Vendor Advisories for CVE-2024-38477 (2)

Same Patch Batch · Apache Software Foundation · 2024-07-01 · 8 CVEs total

CVE-2024-36387 Apache HTTP Server: DoS by Null pointer in websocket over HTTP/2
CVE-2024-38472 Apache HTTP Server on WIndows UNC SSRF
CVE-2024-38473 Apache HTTP Server proxy encoding problem
CVE-2024-38474 Apache HTTP Server weakness with encoded question marks in backreferences
CVE-2024-38475 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches file
CVE-2024-38476 Apache HTTP Server may use exploitable/malicious backend application output to run local h
CVE-2024-39573 Apache HTTP Server: mod_rewrite proxy handler substitution

IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation
Same weakness: CWE-476

V. Comments for CVE-2024-38477

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