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CVE-2003-0187

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.

Netfilter是一款Linux Kernel下的防火墙构架实现。 Netfilter在处理连接跟踪机制时存在问题，远程攻击者可以利用这个漏洞对使用连接跟踪模块的系统进行拒绝服务攻击。 2.4.20内核介绍了一个新的改变，是对一般连接列表支持。连接跟踪的核心是依据以前的识别'UNCONFIRMED'连接的行为。'UNCONFIRMED'也就是说我们只能看到一个方向的连接，由于连接跟踪不能识别连接是否正确，所以它们被分配了一个很高的超时值。 Netfilter发布了一个补丁使连接跟踪器不再依靠Linux连

AI Predicted 5.3 Difficulty: Moderate EPSS 1.92% · P79
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I. Basic Information for CVE-2003-0187

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The connection tracking core of Netfilter for Linux 2.4.20, with CONFIG_IP_NF_CONNTRACK enabled or the ip_conntrack module loaded, allows remote attackers to cause a denial of service (resource consumption) due to an inconsistency with Linux 2.4.20's support of linked lists, which causes Netfilter to fail to identify connections with an UNCONFIRMED status and use large timeouts.
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
Netfilter跟踪连接远程拒绝服务攻击漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Netfilter是一款Linux Kernel下的防火墙构架实现。 Netfilter在处理连接跟踪机制时存在问题，远程攻击者可以利用这个漏洞对使用连接跟踪模块的系统进行拒绝服务攻击。 2.4.20内核介绍了一个新的改变，是对一般连接列表支持。连接跟踪的核心是依据以前的识别'UNCONFIRMED'连接的行为。'UNCONFIRMED'也就是说我们只能看到一个方向的连接，由于连接跟踪不能识别连接是否正确，所以它们被分配了一个很高的超时值。 Netfilter发布了一个补丁使连接跟踪器不再依靠Linux连
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-2003-0187

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III. Intelligence Information for CVE-2003-0187

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Vendor Advisories for CVE-2003-0187 (1)

Mailing List Discussions for CVE-2003-0187 (1)

Same Patch Batch · n/a · 2003-08-05 · 12 CVEs total

CVE-2003-0467 Netfilter NAT远程拒绝服务攻击漏洞
CVE-2003-0468 Postfix多个远程拒绝服务攻击漏洞
CVE-2003-0540 Postfix多个远程拒绝服务攻击漏洞
CVE-2003-0617 mindi以不安全方式创建临时文件漏洞
CVE-2003-0646 Trend Micro HouseCall ActiveX控件多个远程缓冲区溢出漏洞
CVE-2003-0647 Cisco IOS 2GB HTTP GET远程缓冲区溢出漏洞
CVE-2003-0650 Gamespy Arcade GSAPAK.EXE .APK提取文件破坏漏洞
CVE-2003-0651 Mod_Mylo Apache模块REQSTR缓冲区溢出漏洞
CVE-2003-0652 xtokkaetama缓冲区溢出漏洞
CVE-2003-0653 NetBSD服务拒绝漏洞
CVE-2003-0655 cdrtools rscsi覆盖文件漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2003-0187

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