Linux Kernel 2.6.0 unwind.c unw_unwind_to_user denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Linux Kernel 2.6.0. The impacted element is the function unw_unwind_to_user of the file unwind.c. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2005-0135. 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 rated as problematic. This issue affects the function unw_unwind_to_user of the file unwind.c. 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:

The unw_unwind_to_user function in unwind.c on Itanium (ia64) architectures in Linux kernel 2.6 allows local users to cause a denial of service (system crash).

The bug was discovered 01/25/2005. The weakness was disclosed 05/02/2005 as Bug 148868 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2005-0135 since 01/25/2005. 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.

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 18095 (RHEL 4 : kernel (RHSA-2005:366)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117967 (CentOS Security Update for Kernel (CESA-2005:293)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (18095), SecurityFocus (BID 13266†), OSVDB (15728†), Secunia (SA15019†) and Vulnerability Center (SBV-7763†). The entries VDB-947, VDB-945, VDB-946 and VDB-944 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 🔍

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Nessus ID: 18095
Nessus Name: RHEL 4 : kernel (RHSA-2005:366)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56784
OpenVAS Name: Debian Security Advisory DSA 1067-1 (kernel 2.4.16)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

12/18/2003 🔍
01/25/2005 +404 days 🔍
01/25/2005 +0 days 🔍
04/19/2005 +84 days 🔍
04/19/2005 +0 days 🔍
04/19/2005 +0 days 🔍
04/20/2005 +1 days 🔍
05/02/2005 +12 days 🔍
05/02/2005 +0 days 🔍
05/04/2005 +2 days 🔍
08/09/2005 +97 days 🔍
03/10/2015 +3500 days 🔍
05/31/2019 +1543 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 148868
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-0135 (🔍)
GCVE (CVE): GCVE-0-2005-0135
GCVE (VulDB): GCVE-100-24317

OVAL: 🔍

SecurityFocus: 13266 - Linux Kernel Unw_Unwind_To_User Local Denial of Service Vulnerability
Secunia: 15019 - Red Hat update for kernel, Moderately Critical
OSVDB: 15728 - CVE-2005-0135 - Linux - Denial of Service Issue
Vulnerability Center: 7763 - DoS in Linux Kernel 2.6 via unw_unwind_to_user Function, Low

See also: 🔍

Entryinfo

Created: 03/10/2015 23:05
Updated: 05/31/2019 23:51
Changes: 03/10/2015 23:05 (85), 05/31/2019 23:51 (5)
Complete: 🔍
Cache ID: 216::103

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