Vulnerability Name:

CVE-2003-0244 (CCN-12002)

Assigned:2003-04-05
Published:2003-04-05
Updated:2017-10-11
Summary: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.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: VULNWATCH
Type: UNKNOWN
20030517 Algorithmic Complexity Attacks and the Linux Networking Code

Source: MITRE
Type: CNA
CVE-2003-0244

Source: CCN
Type: Conectiva Linux Security Announcement CLSA-2003:702
kernel

Source: CCN
Type: Conectiva Linux Security Announcement CLSA-2003:796
kernel

Source: ENGARDE
Type: UNKNOWN
ESA-20030515-017

Source: BUGTRAQ
Type: UNKNOWN
20030618 [slackware-security] 2.4.21 kernels available (SSA:2003-168-01)

Source: MISC
Type: UNKNOWN
http://marc.info/?l=linux-kernel&m=104956079213417

Source: CCN
Type: Linux-Kernel Mailing List, 2003-04-05 16:37:43
Route cache performance under stress

Source: CCN
Type: RHSA-2003-145
Updated kernel fixes security vulnerabilities and updates drivers

Source: CCN
Type: RHSA-2003-147
kernel security update

Source: CCN
Type: RHSA-2003-172
Updated 2.4 kernel fixes security vulnerabilities and various bugs

Source: CCN
Type: RHSA-2003-190
Updated 2.4 kernel for pSeries and iSeries fixes vulnerabilities

Source: CCN
Type: SA8786
Linux Kernel Route Cache Flooding Denial of Service

Source: CCN
Type: Rice University, Department of Computer Science
Denial of Service via Algorithmic Complexity Attacks

Source: DEBIAN
Type: Patch, Vendor Advisory
DSA-311

Source: DEBIAN
Type: UNKNOWN
DSA-312

Source: DEBIAN
Type: UNKNOWN
DSA-332

Source: DEBIAN
Type: UNKNOWN
DSA-336

Source: DEBIAN
Type: UNKNOWN
DSA-442

Source: DEBIAN
Type: DSA-311
linux-kernel-2.4.18 -- several vulnerabilities

Source: DEBIAN
Type: DSA-312
kernel-patch-2.4.18-powerpc -- several vulnerabilities

Source: DEBIAN
Type: DSA-332
linux-kernel-2.4.17 -- several vulnerabilities

Source: DEBIAN
Type: DSA-336
linux-kernel-2.2.20 -- several vulnerabilities

Source: DEBIAN
Type: DSA-442
linux-kernel-2.4.17-s390 -- several vulnerabilities

Source: MISC
Type: UNKNOWN
http://www.enyo.de/fw/security/notes/linux-dst-cache-dos.html

Source: CCN
Type: Gentoo Linux Security Announcement 200308-01
gentoo-sources

Source: CCN
Type: EnGarde Secure Linux Security Advisory ESA-20030515-017
several bug and security-related fixes

Source: MANDRAKE
Type: UNKNOWN
MDKSA-2003:066

Source: MANDRAKE
Type: UNKNOWN
MDKSA-2003:074

Source: REDHAT
Type: Patch, Vendor Advisory
RHSA-2003:145

Source: REDHAT
Type: UNKNOWN
RHSA-2003:147

Source: REDHAT
Type: UNKNOWN
RHSA-2003:172

Source: SECUNIA
Type: UNKNOWN
8786

Source: BID
Type: UNKNOWN
7601

Source: CCN
Type: BID-7601
Linux Kernel Route Cache Entry Remote Denial Of Service Vulnerability

Source: CCN
Type: BID-7756
Multiple Vendor Algorithmic Complexity Denial of Service Vulnerability

Source: CCN
Type: slackware-security Mailing List, Tue June 17 19:41:55 PDT 2003
[slackware-security] 2.4.21 kernels available (SSA:2003-168-01)

Source: CCN
Type: TLSA-2003-41
Multiple vulnerabilities in kernel

Source: XF
Type: UNKNOWN
route-cache-source-dos(12002)

Source: XF
Type: UNKNOWN
data-algorithmic-complexity-dos(15382)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:261

Vulnerable Configuration:Configuration 1:
  • cpe:/o:linux:linux_kernel:2.4.0:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:linux:linux_kernel:2.4.0:-:*:*:*:*:*:*
  • AND
  • cpe:/o:redhat:linux:7.1:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:7.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:7.2:*:*:*:*:*:*:*
  • OR cpe:/o:engardelinux:secure_linux:-:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:8.2:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:7.3:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:3.0:*:*:*:*:*:*:*
  • OR cpe:/o:engardelinux:secure_professional:-:*:*:*:*:*:*:*
  • OR cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/a:mandrakesoft:mandrake_multi_network_firewall:8.2:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux_corporate_server:2.1:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:9.1:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:as:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:es:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:2.1:*:ws:*:*:*:*:*
  • OR cpe:/o:redhat:linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:slackware:slackware_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:linux_advanced_workstation:2.1::itanium:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:8.2::ppc:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:9.1::ppc:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20030244
    V
    		CVE-2003-0244
    2015-11-16
    oval:org.mitre.oval:def:261
    V
    		Linux Route Cache / Netfilter Denial of Service
    2007-04-25
    oval:org.debian:def:442
    V
    		several vulnerabilities
    2004-02-19
    oval:org.debian:def:336
    V
    		several vulnerabilities
    2003-06-29
    oval:org.debian:def:332
    V
    		several vulnerabilities
    2003-06-27
    oval:org.debian:def:312
    V
    		several vulnerabilities
    2003-06-09
    oval:org.debian:def:311
    V
    		several vulnerabilities
    2003-06-08
    BACK
    linux linux kernel 2.4.0
    linux linux kernel 2.4.0
    redhat linux 7.1
    conectiva linux 7.0
    redhat linux 7.2
    engardelinux secure linux -
    mandrakesoft mandrake linux 8.2
    redhat linux 7.3
    debian debian linux 3.0
    engardelinux secure professional -
    gentoo linux *
    redhat linux 8.0
    mandrakesoft mandrake linux 9.0
    mandrakesoft mandrake multi network firewall 8.2
    mandrakesoft mandrake linux corporate server 2.1
    mandrakesoft mandrake linux 9.1
    redhat enterprise linux 2.1
    redhat enterprise linux 2.1
    redhat enterprise linux 2.1
    redhat linux 9.0
    slackware slackware linux 9.0
    conectiva linux 9.0
    redhat linux advanced workstation 2.1
    mandrakesoft mandrake linux 8.2
    mandrakesoft mandrake linux 9.1