KDE Konqueror 3.2.1 IDN International Domain Name authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

A vulnerability was found in KDE Konqueror 3.2.1 (Web Browser). It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the component IDN International Domain Name Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability. The CWE definition for the vulnerability is CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. As an impact it is known to affect integrity. The summary by CVE is:

The International Domain Name (IDN) support in Konqueror 3.2.1 on KDE 3.2.1 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.

The bug was discovered . The weakness was disclosed 02/06/2005 by Eric Johanson (Website). The advisory is shared at shmoo.com. This vulnerability is known as CVE-2005-0237 since 02/07/2005. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at shmoo.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 12820 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 17625 (RHEL 4 : kdelibs (RHSA-2005:325)), 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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at kde.org. The problem might be mitigated by replacing the product with as an alternative. The best possible mitigation is suggested to be establishing an alternative product. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19236) and Tenable (17625). Additional details are provided at secunia.com. The entries 1179, 1175, 1180 and 1181 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.5
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
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ATT&CK: 🔍

Local: No
Remote: Yes

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

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Nessus ID: 17625
Nessus Name: RHEL 4 : kdelibs (RHSA-2005:325)
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OpenVAS ID: 65279
OpenVAS Name: SLES9: Security update for kdelibs3
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OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Alternative
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Patch: kde.org

Timelineinfo

02/06/2005 🔍
02/07/2005 +1 days 🔍
02/07/2005 +0 days 🔍
02/07/2005 +0 days 🔍
02/07/2005 +0 days 🔍
02/07/2005 +0 days 🔍
02/10/2005 +2 days 🔍
03/16/2005 +34 days 🔍
03/25/2005 +9 days 🔍
05/02/2005 +38 days 🔍
07/01/2019 +5173 days 🔍

Sourcesinfo

Vendor: kde.org

Advisory: shmoo.com
Researcher: Eric Johanson
Status: Not defined
Confirmation: 🔍

CVE: CVE-2005-0237 (🔍)
OVAL: 🔍

X-Force: 19236
SecurityTracker: 1013098
SecurityFocus: 12461 - Multiple Web Browser International Domain Name Handling Site Property Spoofing Vulnerabilities
Secunia: 14162 - KDE Applications IDN Spoofing Security Issue, Moderately Critical
OSVDB: 61027 - KDE Konqueror International Domain Name (IDN) Punycode Encoded Domain Name Spoofing

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Entryinfo

Created: 02/10/2005 14:16
Updated: 07/01/2019 09:47
Changes: 02/10/2005 14:16 (94), 07/01/2019 09:47 (2)
Complete: 🔍

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