Linux Kernel 2.6.11.6 ext2_make_empty information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel 2.6.11.6. It has been declared as problematic. This affects the function ext2_make_empty. The manipulation results in information disclosure. This vulnerability is known as CVE-2005-0400. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Linux Kernel 2.6.11.6 (Operating System). It has been classified as problematic. Affected is the function ext2_make_empty. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. CVE summarizes:

the ext2_make_empty function call in the linux kernel before 2.6.11.6 does not properly initialize memory when creating a block for a new directory entry which allows local users to obtain potentially sensitive information by reading the block.

The bug was discovered 03/29/2005. The weakness was published 05/02/2005 (Website). The advisory is available at xforce.iss.net. This vulnerability is traded as CVE-2005-0400 since 02/14/2005. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 30 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20489 (Ubuntu 4.10 : linux-source-2.6.8.1 vulnerabilities (USN-103-1)), 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. 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 databases at X-Force (19866), Tenable (20489), SecurityFocus (BID 12932†), OSVDB (15115†) and Secunia (SA14713†). Similar entries are available at VDB-1226, VDB-1227, VDB-1228 and VDB-1224. If you want to get best quality of vulnerability data, you may have to visit 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: 3.6

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

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 20489
Nessus Name: Ubuntu 4.10 : linux-source-2.6.8.1 vulnerabilities (USN-103-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 65038
OpenVAS Name: SLES9: Security update for kernel
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/14/2005 🔍
03/02/2005 +16 days 🔍
03/29/2005 +27 days 🔍
03/29/2005 +0 days 🔍
03/29/2005 +0 days 🔍
04/01/2005 +3 days 🔍
05/02/2005 +31 days 🔍
05/02/2005 +0 days 🔍
05/25/2005 +23 days 🔍
01/15/2006 +235 days 🔍
03/10/2015 +3341 days 🔍
06/06/2019 +1549 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: xforce.iss.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-0400 (🔍)
GCVE (CVE): GCVE-0-2005-0400
GCVE (VulDB): GCVE-100-24450

OVAL: 🔍

X-Force: 19866
SecurityFocus: 12932 - Linux Kernel EXT2 File System Information Leak Vulnerability
Secunia: 14713
OSVDB: 15115 - Linux kernel ext2 information disclosure
Vulnerability Center: 8128 - Information Disclosure in Linux Kernel < 2.6.11.6 via 'ext2_make_empty\x27 Function, Low
Vupen: ADV-2005-1878

See also: 🔍

Entryinfo

Created: 03/10/2015 23:05
Updated: 06/06/2019 07:58
Changes: 03/10/2015 23:05 (76), 06/06/2019 07:58 (8)
Complete: 🔍
Cache ID: 216::103

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