Vulnerability Report

CVE-2004-0626

Title: Linux kernel netfilter tcp_find_option DoS

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2004-0626.

CWE Category NVD-CWE-noinfo
Published Date Dec 06, 2004
Modified Date Apr 03, 2025
Exploit Status Not Found
Score 5.0 CVSS v2.0
Exploit Probability (EPSS)
1.74%

Vulnerability Summary

CVE-2004-0626: The tcp_find_option function of the netfilter subsystem in Linux kernel 2.6, when using iptables and TCP options rules, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a large option length that produces a negative integer after a casting operation to the char type.

Impacted Vendors

G
gentoo 1
N
novell 1
U
ubuntu 1
L
linux 1
S
suse 1
C
cyrix 1
C
conectiva 1

Reference Links

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852 http://lwn.net/Articles/91964/ http://marc.info/?l=bugtraq&m=108861141304495&w=2 http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml http://www.novell.com/linux/security/advisories/2004_20_kernel.html https://exchange.xforce.ibmcloud.com/vulnerabilities/16554 http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000852 http://lwn.net/Articles/91964/ http://marc.info/?l=bugtraq&m=108861141304495&w=2 http://www.gentoo.org/security/en/glsa/glsa-200407-12.xml http://www.novell.com/linux/security/advisories/2004_20_kernel.html https://exchange.xforce.ibmcloud.com/vulnerabilities/16554
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2004-0626 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A
Complexity N/A
Privileges N/A
Interaction NONE
CVSS Vector String AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.