WebCalendar 1.0.1/1.0.2/1.0.3 Error Message information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.9$0-$5k0.00

A vulnerability was found in WebCalendar 1.0.1/1.0.2/1.0.3 (Calendar Software). It has been classified as problematic. Affected is some unknown functionality of the component Error Message Handler. 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:

WebCalendar 1.0.1 to 1.0.3 generates different error messages depending on whether or not a username is valid, which allows remote attackers to enumerate valid usernames.

The bug was discovered 05/04/2006. The weakness was disclosed 05/04/2006 by David Maciejak (Website). The advisory is available at archives.neohapsis.com. This vulnerability is traded as CVE-2006-2247 since 05/08/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but an exploit is available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

After before and not just, there has been an exploit disclosed. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22598 (Debian DSA-1056-1 : webcalendar - verbose error message), 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.

It is possible to mitigate the problem by adding an authentication mechanism. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26262) and Tenable (22598).

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

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Nessus ID: 22598
Nessus Name: Debian DSA-1056-1 : webcalendar - verbose error message
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OpenVAS ID: 56745
OpenVAS Name: Debian Security Advisory DSA 1056-1 (webcalendar)
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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Authentication
Status: 🔍

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Timelineinfo

05/04/2006 🔍
05/04/2006 +0 days 🔍
05/04/2006 +0 days 🔍
05/05/2006 +0 days 🔍
05/05/2006 +0 days 🔍
05/08/2006 +2 days 🔍
05/09/2006 +1 days 🔍
05/09/2006 +0 days 🔍
05/15/2006 +6 days 🔍
05/22/2006 +7 days 🔍
10/14/2006 +145 days 🔍
03/12/2015 +3071 days 🔍
06/18/2019 +1559 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Researcher: David Maciejak
Status: Not defined

CVE: CVE-2006-2247 (🔍)
X-Force: 26262
Vulnerability Center: 11489 - WebCalendar Discloses Username Information in Error Messages, Low
SecurityFocus: 17853 - WebCalendar Username Enumeration Vulnerability
Secunia: 19974
OSVDB: 25280 - WebCalendar Login Error Message User Account Enumeration

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

Entryinfo

Created: 03/12/2015 12:19
Updated: 06/18/2019 10:21
Changes: 03/12/2015 12:19 (77), 06/18/2019 10:21 (3)
Complete: 🔍

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