Linux Kernel 2.6.16.15 lease_init 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.
3.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel 2.6.16.15. Affected by this issue is the function lease_init. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2006-1860. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.16.15 (Operating System). It has been rated as problematic. This issue affects the function lease_init. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

lease_init in fs/locks.c in Linux kernel before 2.6.16.16 allows attackers to cause a denial of service (fcntl_setlease lockup) via actions that cause lease_init to free a lock that might not have been allocated on the stack.

The bug was discovered 05/07/2006. The weakness was published 05/11/2006 by Daniel Hokka Zakrisson (Website). The advisory is shared at kernel.org. The identification of this vulnerability is CVE-2006-1860 since 04/19/2006. The exploitation is known to be easy. An attack has to be approached locally. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 52 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22058 (Mandrake Linux Security Advisory : kernel (MDKSA-2006:123)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165140 (SUSE Security Update for kernel (SUSE-SA:2006:042)).

Upgrading to version 2.6.16.16 eliminates this vulnerability. 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 (26437), Tenable (22058), SecurityFocus (BID 17943†), OSVDB (25425†) and Secunia (SA20083†). Similar entries are available at VDB-2108, VDB-2224, VDB-2326 and VDB-2360. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 22058
Nessus Name: Mandrake Linux Security Advisory : kernel (MDKSA-2006:123)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Kernel 2.6.16.16

Timelineinfo

03/20/2006 🔍
04/19/2006 +30 days 🔍
05/07/2006 +18 days 🔍
05/11/2006 +4 days 🔍
05/11/2006 +0 days 🔍
05/11/2006 +0 days 🔍
05/11/2006 +0 days 🔍
05/11/2006 +0 days 🔍
05/11/2006 +0 days 🔍
07/13/2006 +62 days 🔍
07/18/2006 +5 days 🔍
07/25/2006 +7 days 🔍
03/12/2015 +3152 days 🔍
06/23/2019 +1564 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Researcher: Daniel Hokka Zakrisson
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1860 (🔍)
GCVE (CVE): GCVE-0-2006-1860
GCVE (VulDB): GCVE-100-30185
X-Force: 26437
SecurityFocus: 17943 - Linux Kernel Lease_Init Local Denial of Service Vulnerability
Secunia: 20083 - Linux Kernel "lease_init()" Denial of Service Vulnerability, Not Critical
OSVDB: 25425 - Linux Kernel lease_init() Function Lock Allocation Local DoS
Vulnerability Center: 12363 - Linux Kernel Denial of Service Vulnerability in lease_init, Low
Vupen: ADV-2006-1767

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/23/2019 16:14
Changes: 03/12/2015 12:19 (84), 06/23/2019 16:14 (2)
Complete: 🔍
Cache ID: 216:431:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!