Improper input validation in Linux kernel

Published: 2001-12-31

Risk	Low
Patch available	YES
Number of vulnerabilities	1
CVE-ID	CVE-2001-1572
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Linux kernel Operating systems & Components / Operating system
Vendor	Linux Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU95667

Risk: Low

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2001-1572

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The MAC module in Netfilter in Linux kernel 2.4.1 through 2.4.11, when configured to filter based on MAC addresses, allows remote attackers to bypass packet filters via small packets.

Mitigation

Install update from vendor's repository.

Vulnerable software versions

Linux kernel: All versions

External links

http://archives.neohapsis.com/archives/bugtraq/2001-10/0057.html
http://www.iss.net/security_center/static/7267.php
http://www.securityfocus.com/bid/3418

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.