Matthias Ettrich KDM up to 3.5.3 ReadDmrc privileges management

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Matthias Ettrich KDM up to 3.5.3. This affects the function ReadDmrc. This manipulation causes privileges management. This vulnerability appears as CVE-2006-2449. The attacker needs to be present on the local network. In addition, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165137 (SUSE Security Update for kdebase3-kdm (SUSE-SA:2006:039)).

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), Tenable (21720), SecurityFocus (BID 18431†), OSVDB (26511†) and Secunia (SA21662†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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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 🔍
06/22/2025 +6872 days 🔍

Sourcesinfo

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

CVE: CVE-2006-2449 (🔍)
GCVE (CVE): GCVE-0-2006-2449
GCVE (VulDB): GCVE-100-2323

OVAL: 🔍

X-Force: 27181 - KDE Display Manager (KDM) /.dmrc user session type symlink, Medium Risk
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
SecurityTracker: 1016297
Vulnerability Center: 11968 - KDM Symlink Attack Allows Local Users to Read Arbitrary Files, Low
Vupen: ADV-2006-2355

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

Entryinfo

Created: 06/26/2006 15:07
Updated: 06/22/2025 00:53
Changes: 06/26/2006 15:07 (100), 09/05/2019 13:34 (1), 06/22/2025 00:53 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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