CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.5 | $0-$5k | 0.00 |
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) and Tenable (63123). Similar entries are available at 5386, 5571, 5582 and 5656.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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 Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: AlternativeStatus: 🔍
0-Day Time: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
Timeline
08/21/2012 🔍10/31/2012 🔍
10/31/2012 🔍
10/31/2012 🔍
11/13/2012 🔍
12/01/2012 🔍
12/02/2012 🔍
12/03/2012 🔍
12/21/2012 🔍
04/19/2021 🔍
Sources
Vendor: kernel.orgAdvisory: thread.gmane.org
Researcher: Rodrigo Freire
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2012-4565 (🔍)
OVAL: 🔍
X-Force: 79723
Vulnerability Center: 37184 - Linux Kernel 2.6.0 Through 2.6.39-rc6 Local Denial of Service Vulnerability, Medium
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
See also: 🔍
Entry
Created: 12/03/2012 15:54Updated: 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
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