Linux Kernel up to 2.6.11.8 NetFilter ipt_recent.c denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability, which was classified as critical, was found in Linux Kernel (Operating System). Affected is an unknown code block of the file ipt_recent.c of the component NetFilter. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The bug was discovered 08/09/2005. The weakness was released 09/26/2005 by Juergen Kreileder (Website). The advisory is shared for download at blog.blackdown.de. This vulnerability is traded as CVE-2005-2872 since 09/09/2005. Access to the local network is required for this attack. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 631 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22788 (Debian DSA-922-1 : kernel-source-2.6.8 - several vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117811 (CentOS Security Update for Kernel (CESA-2005:514)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at blog.blackdown.de.It is possible to mitigate the weakness by firewalling . The best possible mitigation is suggested to be applying a restrictive firewalling. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22414) and Tenable (22788). Entries connected to this vulnerability are available at 1288, 1289, 1290 and 1560.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.5
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
ATT&CK: Unknown

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22788
Nessus Name: Debian DSA-922-1 : kernel-source-2.6.8 - several vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 56014
OpenVAS Name: Debian Security Advisory DSA 922-1 (kernel-source-2.4.27)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Firewall
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: blog.blackdown.de

Timelineinfo

12/18/2003 🔍
08/09/2005 +600 days 🔍
08/09/2005 +0 days 🔍
09/09/2005 +31 days 🔍
09/09/2005 +0 days 🔍
09/09/2005 +0 days 🔍
09/26/2005 +17 days 🔍
10/04/2005 +8 days 🔍
11/14/2005 +41 days 🔍
12/14/2005 +30 days 🔍
10/14/2006 +304 days 🔍
03/12/2021 +5263 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: blog.blackdown.de
Researcher: Juergen Kreileder
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-2872 (🔍)
OVAL: 🔍

X-Force: 22414
Vulnerability Center: 9622 - Linux Kernel on AMD64 Remote DoS via SSH Brute Force Attack, Low
SecurityFocus: 14791 - Linux Kernel Netfilter Ipt_recent Remote Denial of Service Vulnerability
Secunia: 16969 - Linux Kernel URB and IPv6 Flowlabel Handling Denial of Service, Less Critical
OSVDB: 19430 - Linux kernel ipt_recent.c denial of service

See also: 🔍

Entryinfo

Created: 10/04/2005 11:19
Updated: 03/12/2021 08:05
Changes: 10/04/2005 11:19 (93), 07/04/2019 16:14 (4), 03/12/2021 08:05 (2)
Complete: 🔍

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