Matthias Ettrich KDM up to 3.5.3 ReadDmrc privileges management

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.
5.7$0-$5k0.00

A vulnerability classified as problematic was found in Matthias Ettrich KDM up to 3.5.3. Affected by this vulnerability is the function ReadDmrc. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

KDE Display Manager (KDM) in KDE 3.2.0 up to 3.5.3 allows local users to read arbitrary files via a symlink attack related to the session type for login.

The bug was discovered 06/14/2006. The weakness was presented 06/15/2006 by Ludwig Nussel (Website). It is possible to read the advisory at kde.org. This vulnerability is known as CVE-2006-2449 since 05/18/2006. The exploitation appears to be easy. Access to the local network is required for this attack to succeed. The exploitation doesn't need any form of authentication. Technical details and also a exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

After before and not just, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21720 (Mandrake Linux Security Advisory : kdebase (MDKSA-2006:105)), 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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at ftp.kde.org. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (27181) and Tenable (21720).

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: No
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 21720
Nessus Name: Mandrake Linux Security Advisory : kdebase (MDKSA-2006:105)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57301
OpenVAS Name: Debian Security Advisory DSA 1156-1 (kdebase)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: ftp.kde.org

Timelineinfo

05/18/2006 🔍
06/14/2006 +27 days 🔍
06/14/2006 +0 days 🔍
06/14/2006 +0 days 🔍
06/14/2006 +0 days 🔍
06/15/2006 +1 days 🔍
06/15/2006 +0 days 🔍
06/15/2006 +0 days 🔍
06/15/2006 +0 days 🔍
06/16/2006 +0 days 🔍
06/20/2006 +4 days 🔍
06/26/2006 +6 days 🔍
08/27/2006 +62 days 🔍
08/28/2006 +1 days 🔍
09/05/2019 +4756 days 🔍

Sourcesinfo

Advisory: kde.org
Researcher: Ludwig Nussel
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-2449 (🔍)
OVAL: 🔍

X-Force: 27181 - KDE Display Manager (KDM) /.dmrc user session type symlink, Medium Risk
SecurityTracker: 1016297
Vulnerability Center: 11968 - KDM Symlink Attack Allows Local Users to Read Arbitrary Files, Low
SecurityFocus: 18431 - KDE KDM Session Type Symbolic Link Vulnerability
Secunia: 21662 - Debian update for kdebase, Less Critical
OSVDB: 26511 - KDE KDM Login Sesson Type Symlink Arbitrary File Read
Vupen: ADV-2006-2355

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

Entryinfo

Created: 06/26/2006 15:07
Updated: 09/05/2019 13:34
Changes: 06/26/2006 15:07 (100), 09/05/2019 13:34 (1)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!