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CVE-2022-23943— mod_sed: Read/write beyond bounds

Quick assessment

Affected
Apache Software Foundation Apache HTTP Server
Exploitation
High exploitation probability; assess promptly
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 版本 2.4.52 和之前版本的 mod_sed 中存在缓冲区错误漏洞，该漏洞允许攻击者使用攻击者提供的数据覆盖堆内存。

AI Predicted 7.8 Difficulty: Moderate EPSS 50.40% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-23943

Vulnerability Information
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Vulnerability Title
mod_sed: Read/write beyond bounds
Source: CVE Program / CVE List V5
Vulnerability Description
Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version 2.4.52 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Apache HTTP Server 缓冲区错误漏洞
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 版本 2.4.52 和之前版本的 mod_sed 中存在缓冲区错误漏洞，该漏洞允许攻击者使用攻击者提供的数据覆盖堆内存。
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 ~ 2.4.52 -

II. Public POCs for CVE-2022-23943

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III. Intelligence Information for CVE-2022-23943

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Vendor Advisories for CVE-2022-23943 (4)

Mailing List Discussions for CVE-2022-23943 (5)

Other References for CVE-2022-23943 (2)

Same Patch Batch · Apache Software Foundation · 2022-03-14 · 4 CVEs total

CVE-2022-22719 mod_lua Use of uninitialized value of in r:parsebody
CVE-2022-22720 HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier
CVE-2022-22721 core: Possible buffer overflow with very large or unlimited LimitXMLRequestBody

IV. Related Vulnerabilities

Same product: Apache HTTP Server
Same vendor: Apache Software Foundation
Same weakness: CWE-787

V. Comments for CVE-2022-23943

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