Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2004-0626

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
06/12/2004
Last modified:
03/04/2025

Description

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.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:conectiva:linux:10:*:*:*:*:*:*:*
cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:8.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:8.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools