SB2003052701 - Resource exhaustion in Linux kernel
Published: May 27, 2003
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2003-0244)
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
The route cache implementation in Linux 2.4, and the Netfilter IP conntrack module, allows remote attackers to cause a denial of service (CPU consumption) via packets with forged source addresses that cause a large number of hash table collisions.
Remediation
Install update from vendor's website.
References
- http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0073.html
- http://marc.info/?l=bugtraq&m=105301461726555&w=2
- http://marc.info/?l=bugtraq&m=105595901923063&w=2
- http://marc.info/?l=linux-kernel&m=104956079213417
- http://www.debian.org/security/2003/dsa-311
- http://www.debian.org/security/2003/dsa-312
- http://www.debian.org/security/2003/dsa-332
- http://www.debian.org/security/2003/dsa-336
- http://www.debian.org/security/2004/dsa-442
- http://www.enyo.de/fw/security/notes/linux-dst-cache-dos.html
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:066
- http://www.mandriva.com/security/advisories?name=MDKSA-2003:074
- http://www.redhat.com/support/errata/RHSA-2003-145.html
- http://www.redhat.com/support/errata/RHSA-2003-147.html
- http://www.redhat.com/support/errata/RHSA-2003-172.html
- http://www.secunia.com/advisories/8786/
- http://www.securityfocus.com/bid/7601
- https://exchange.xforce.ibmcloud.com/vulnerabilities/15382
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A261