Debian kernel-patch-vserver 1.9.5.5/2.2 Kernel Patch information disclosure

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.
4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Debian kernel-patch-vserver 1.9.5.5/2.2. The impacted element is an unknown function of the component Kernel Patch. Performing a manipulation results in information disclosure. This vulnerability was named CVE-2005-4347. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Debian kernel-patch-vserver 1.9.5.5/2.2. This affects an unknown functionality of the component Kernel Patch. 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. The summary by CVE is:

The Linux 2.4 kernel patch in kernel-patch-vserver before 1.9.5.5 and 2.x before 2.3 for Debian GNU/Linux does not correctly set the "chroot barrier" with util-vserver, which allows attackers to access files on the host system that are outside of the vserver.

The bug was discovered 03/21/2005. The weakness was presented 12/31/2005 (Website). It is possible to read the advisory at xforce.iss.net. This vulnerability is uniquely identified as CVE-2005-4347 since 12/19/2005. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 22553 (Debian DSA-1011-1 : kernel-patch-vserver - missing attribute support), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 2.4 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (25406), Tenable (22553), SecurityFocus (BID 9596†), OSVDB (30403†) and Secunia (SA19333†). See VDB-21544 and VDB-27906 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 22553
Nessus Name: Debian DSA-1011-1 : kernel-patch-vserver - missing attribute support
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 56463
OpenVAS Name: Debian Security Advisory DSA 1011-1 (kernel-patch-vserver, util-vserver)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: kernel-patch-vserver 2.4

Timelineinfo

02/06/2004 🔍
03/21/2005 +409 days 🔍
03/21/2005 +0 days 🔍
03/21/2005 +0 days 🔍
12/19/2005 +273 days 🔍
12/31/2005 +12 days 🔍
12/31/2005 +0 days 🔍
10/14/2006 +287 days 🔍
10/19/2006 +5 days 🔍
03/12/2015 +3066 days 🔍
07/09/2019 +1580 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: xforce.iss.net
Status: Not defined

CVE: CVE-2005-4347 (🔍)
GCVE (CVE): GCVE-0-2005-4347
GCVE (VulDB): GCVE-100-27903
X-Force: 25406
SecurityFocus: 9596 - Linux VServer Project CHRoot Breakout Vulnerability
Secunia: 19333
OSVDB: 30403 - CVE-2005-4347 - Debian - Kernel-Patch-Vserver - Security Bypass Issue
Vulnerability Center: 12935 - Debian Kernel-Patch-Vserver Allows Access to Files Outside of the Vserver, Medium

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/12/2015 11:11
Updated: 07/09/2019 14:50
Changes: 03/12/2015 11:11 (70), 07/09/2019 14:50 (10)
Complete: 🔍
Cache ID: 216:E5F:103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!