Resource exhaustion in Linux kernel - CVE-2003-0244
Published: May 27, 2003 / Updated: October 11, 2017
Vulnerability identifier: #VU99976
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2003-0244
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2003-0244
Install update from vendor's repository.
Sources
- 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