VDB-24658 · CVE-2005-0839 · BID 12971

Linux Kernel up to 2.6.10 denial of service

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.0	$0-$5k	0.00

A vulnerability was found in Linux Kernel up to 2.6.10 (Operating System). It has been declared as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

linux kernel 2.6 before 2.6.11 does not restrict access to the n_mouse line discipline for a tty which allows local users to gain privileges by injecting mouse or keyboard events into other user sessions.

The issue has been introduced in 12/18/2003. The weakness was presented 05/02/2005 (Website). The advisory is available at mail-archive.com. This vulnerability was named CVE-2005-0839 since 03/23/2005. The exploitation appears to be easy. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 488 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21928 (CentOS 3 / 4 : kernel (CESA-2005:366)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117964 (CentOS Security Update for Kernel (CESA-2005:366)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (21928). See 1226, 1227, 1228 and 1224 for similar entries.

Productinfo

Type

Operating System

Vendor

Linux

Name

Kernel

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
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VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 21928
Nessus Name: CentOS 3 / 4 : kernel (CESA-2005:366)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/18/2003 🔍
01/28/2005 +407 days 🔍
03/23/2005 +54 days 🔍
04/19/2005 +27 days 🔍
05/02/2005 +13 days 🔍
05/02/2005 +0 days 🔍
11/23/2005 +205 days 🔍
07/05/2006 +224 days 🔍
03/10/2015 +3170 days 🔍
06/11/2019 +1554 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: mail-archive.com
Status: Not defined

CVE: CVE-2005-0839 (🔍)
OVAL: 🔍

Vulnerability Center: 9731 - Linux kernel Local Privileges Escalation via Injection of Mouse/Keyboard Events, Medium
SecurityFocus: 12971 - Linux Kernel Serial Driver Local Mouse And Keyboard Event Injection Vulnerability
OSVDB: 14964 - Linux Kernel - Serial Driver - Local Mouse And Keyboard Event Injection

See also: 🔍

Entryinfo

Created: 03/10/2015 23:05
Updated: 06/11/2019 17:34
Changes: 03/10/2015 23:05 (65), 06/11/2019 17:34 (7)
Complete: 🔍
Cache ID: 3:CDC:103