Linux Kernel up to 3.4.18 tcp_illinois_info numeric error

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel. This issue affects the function tcp_illinois_info. The manipulation leads to numeric error. This vulnerability is referenced as CVE-2012-4565. No exploit is available. It is recommended to replace the affected component with an alternative.

Detailsinfo

A vulnerability was found in Linux Kernel (Operating System). It has been rated as problematic. This issue affects the function tcp_illinois_info. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

The tcp_illinois_info function in net/ipv4/tcp_illinois.c in the Linux kernel before 3.4.19, when the net.ipv4.tcp_congestion_control illinois setting is enabled, allows local users to cause a denial of service (divide-by-zero error and OOPS) by reading TCP stats.

The weakness was published 10/31/2012 by Rodrigo Freire (Website). It is possible to read the advisory at thread.gmane.org. The identification of this vulnerability is CVE-2012-4565 since 08/21/2012. The exploitation is known to be easy. Attacking locally is a requirement. Required for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 63123 (Ubuntu 10.04 LTS : linux vulnerability (USN-1651-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 166783 (SUSE Enterprise Linux Security Update for Linux Kernel (SUSE-SU-2014:0287-1)).

The problem might be mitigated by replacing the product with as an alternative.

The vulnerability is also documented in the databases at X-Force (79723), Tenable (63123), SecurityFocus (BID 56346†), OSVDB (88048†) and Secunia (SA51409†). Similar entries are available at VDB-5386, VDB-5571, VDB-5582 and VDB-5656. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 63123
Nessus Name: Ubuntu 10.04 LTS : linux vulnerability (USN-1651-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881552
OpenVAS Name: CentOS Update for kernel CESA-2012:1580 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Alternative
Status: 🔍

0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

08/21/2012 🔍
10/31/2012 +71 days 🔍
10/31/2012 +0 days 🔍
10/31/2012 +0 days 🔍
11/13/2012 +13 days 🔍
12/01/2012 +18 days 🔍
12/02/2012 +1 days 🔍
12/03/2012 +1 days 🔍
12/21/2012 +18 days 🔍
04/19/2021 +3041 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: thread.gmane.org
Researcher: Rodrigo Freire
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-4565 (🔍)
GCVE (CVE): GCVE-0-2012-4565
GCVE (VulDB): GCVE-100-7055

OVAL: 🔍

X-Force: 79723
SecurityFocus: 56346 - Linux Kernel 'tcp_illinois_info()' Local Denial of Service Vulnerability
Secunia: 51409 - Ubuntu update for linux, linux-ti-omap4, and linux-lts-backport-oneiric, Not Critical
OSVDB: 88048
Vulnerability Center: 37184 - Linux Kernel 2.6.0 Through 2.6.39-rc6 Local Denial of Service Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 12/03/2012 15:54
Updated: 04/19/2021 17:22
Changes: 12/03/2012 15:54 (77), 04/21/2017 11:04 (6), 04/19/2021 17:22 (3)
Complete: 🔍
Committer: roga
Cache ID: 216::103

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