Linux Kernel up to 2.6.11.7 security/keys/key.c key_user_lookup denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.8 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Linux Kernel. It has been declared as problematic. This issue affects the function key_user_lookup of the file security/keys/key.c. The manipulation results in denial of service.
This vulnerability is identified as CVE-2005-1368. There is not any exploit available.
It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in Linux Kernel (Operating System). Affected is the function key_user_lookup of the file security/keys/key.c. 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. CVE summarizes:
The key_user_lookup function in security/keys/key.c in Linux kernel 2.6.10 to 2.6.11.8 may allow attackers to cause a denial of service (oops) via SMP.
The bug was discovered 03/10/2005. The weakness was released 05/02/2005 by Alexander Nyberg (Website). The advisory is shared for download at kernel.org. This vulnerability is traded as CVE-2005-1368 since 05/02/2005. The exploitability is told to be difficult. The attack needs to be approached locally. 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 501 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20522 (Ubuntu 4.10 / 5.04 : linux-source-2.6.8.1, linux-source-2.6.10 vulnerabilities (USN-131-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.
Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at X-Force (21102), Tenable (20522), SecurityFocus (BID 13709†), OSVDB (16481†) and Vulnerability Center (SBV-8236†). Entries connected to this vulnerability are available at VDB-1477, VDB-1539 and VDB-24997. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
- 2.6 Test9 Cvs
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.3
- 2.6.4
- 2.6.5
- 2.6.6
- 2.6.7
- 2.6.8
- 2.6.8.1
- 2.6.9
- 2.6.10
- 2.6.11
- 2.6.11.1
- 2.6.11.2
- 2.6.11.3
- 2.6.11.4
- 2.6.11.5
- 2.6.11.6
- 2.6.11.7
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 2.9VulDB Meta Temp Score: 2.8
VulDB Base Score: 2.9
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 20522
Nessus Name: Ubuntu 4.10 / 5.04 : linux-source-2.6.8.1, linux-source-2.6.10 vulnerabilities (USN-131-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/18/2003 🔍03/10/2005 🔍
03/10/2005 🔍
05/02/2005 🔍
05/02/2005 🔍
05/02/2005 🔍
05/23/2005 🔍
05/23/2005 🔍
06/06/2005 🔍
01/15/2006 🔍
03/11/2015 🔍
06/02/2019 🔍
Sources
Vendor: kernel.orgAdvisory: kernel.org
Researcher: Alexander Nyberg
Status: Not defined
Confirmation: 🔍
CVE: CVE-2005-1368 (🔍)
GCVE (CVE): GCVE-0-2005-1368
GCVE (VulDB): GCVE-100-24996
X-Force: 21102
SecurityFocus: 13709 - Linux Kernel Key_User_Lookup() Local Parent Deletion Race Vulnerability
OSVDB: 16481 - Linux kernel /keys/key.c denial of service
Vulnerability Center: 8236 - DoS in Linux kernel 2.6.10 - 2.6.11.8 via key_user_lookup Function, Low
See also: 🔍
Entry
Created: 03/11/2015 11:41Updated: 06/02/2019 09:15
Changes: 03/11/2015 11:41 (68), 06/02/2019 09:15 (10)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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