CVE-2022-41556
Quick assessment
Affected
n/a n/a
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.
lighttpd是德国Jan Kneschke个人开发者的一款开源的Web服务器。 lighttpd 存在安全漏洞，该漏洞源于通过 CLOSE_WAIT / CON_STATE_READ_POST 可以触发拒绝服务攻击。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-41556
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A resource leak in gw_backend.c in lighttpd 1.4.56 through 1.4.66 could lead to a denial of service (connection-slot exhaustion) after a large amount of anomalous TCP behavior by clients. It is related to RDHUP mishandling in certain HTTP/1.1 chunked situations. Use of mod_fastcgi is, for example, affected. This is fixed in 1.4.67.
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
lighttpd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
lighttpd是德国Jan Kneschke个人开发者的一款开源的Web服务器。 lighttpd 存在安全漏洞，该漏洞源于通过 CLOSE_WAIT / CON_STATE_READ_POST 可以触发拒绝服务攻击。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2022-41556
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2022-41556 (1)
Vendor Advisories for CVE-2022-41556 (1)
-
https://security.gentoo.org/glsa/202210-12 vendor-advisory
Mailing List Discussions for CVE-2022-41556 (1)
Other References for CVE-2022-41556 (2)
Same Patch Batch · n/a · 2022-10-06 · 31 CVEs total
| CVE-2022-42457 | 9.1 CRITICAL | Generex UPS Adapter CS141 安全漏洞 |
| CVE-2022-41520 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-42250 | Simple Cold Storage Management System SQL注入漏洞 | |
| CVE-2022-42249 | Simple Cold Storage Management System SQL注入漏洞 | |
| CVE-2022-42243 | Simple Cold Storage Management System SQL注入漏洞 | |
| CVE-2022-42242 | Simple Cold Storage Management System SQL注入漏洞 | |
| CVE-2022-42241 | Simple Cold Storage Management System SQL注入漏洞 | |
| CVE-2022-41528 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41527 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41526 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41525 | TOTOLINK NR1800X 操作系统命令注入漏洞 | |
| CVE-2022-41524 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41523 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41522 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41521 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2021-40556 | ASUS RT-AX56U 缓冲区错误漏洞 | |
| CVE-2022-41518 | TOTOLINK NR1800X 操作系统命令注入漏洞 | |
| CVE-2022-41517 | TOTOLINK NR1800X 缓冲区错误漏洞 | |
| CVE-2022-41355 | Online Leave Management System SQL注入漏洞 | |
| CVE-2022-40895 | Nedi Consulting Nedi 安全漏洞 |
Showing top 20 of 31 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-41556
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