Linux Kernel 2.6.0 signal.c 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.
4.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.0. It has been declared as problematic. Affected is an unknown function of the file signal.c. Executing a manipulation can lead to denial of service. This vulnerability is tracked as CVE-2005-3527. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.0 (Operating System). It has been declared as problematic. This vulnerability affects some unknown processing of the file signal.c. 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 availability. CVE summarizes:

Race condition in do_coredump in signal.c in Linux kernel 2.6 allows local users to cause a denial of service by triggering a core dump in one thread while another thread has a pending SIGSTOP.

The bug was discovered 10/07/2005. The weakness was disclosed 11/08/2005 with SuSE (Website). The advisory is shared for download at kernel.org. This vulnerability was named CVE-2005-3527 since 11/09/2005. The exploitation appears to be difficult. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 691 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20796 (Mandrake Linux Security Advisory : kernel (MDKSA-2006:018)), 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.

Upgrading 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 Tenable (20796), SecurityFocus (BID 15723†), OSVDB (21519†), Secunia (SA17917†) and Vulnerability Center (SBV-9954†). The entries VDB-27080, VDB-27079, VDB-27078 and VDB-26611 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.1
VulDB Temp Score: 4.9
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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 20796
Nessus Name: Mandrake Linux Security Advisory : kernel (MDKSA-2006:018)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

12/18/2003 🔍
10/07/2005 +659 days 🔍
11/08/2005 +32 days 🔍
11/08/2005 +0 days 🔍
11/09/2005 +1 days 🔍
11/09/2005 +0 days 🔍
11/09/2005 +0 days 🔍
12/06/2005 +27 days 🔍
12/13/2005 +7 days 🔍
01/20/2006 +38 days 🔍
01/22/2006 +2 days 🔍
03/11/2015 +3335 days 🔍
06/12/2019 +1554 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: kernel.org
Organization: SuSE
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-3527 (🔍)
GCVE (CVE): GCVE-0-2005-3527
GCVE (VulDB): GCVE-100-26872
SecurityFocus: 15723 - Linux Kernel do_coredump Denial of Service Vulnerability
Secunia: 17917 - SUSE update for kernel, Less Critical
OSVDB: 21519 - Linux Kernel - do_coredump Denial of Service Issue
Vulnerability Center: 9954 - Linux Kernel 2.6 Local Users\x27 DoS, Medium

See also: 🔍

Entryinfo

Created: 03/11/2015 23:39
Updated: 06/12/2019 15:39
Changes: 03/11/2015 23:39 (76), 06/12/2019 15:39 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!