VDB-62687 · CVE-2012-5385 · SBV-43865

Craig Knudsen WebCalendar up to 1.2.4 access control

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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Craig Knudsen WebCalendar up to 1.2.4. This impacts an unknown function. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2012-5385. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Craig Knudsen WebCalendar up to 1.2.4 (Calendar Software). This issue affects some unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

install/index.php in Craig Knudsen WebCalendar before 1.2.5 allows remote attackers to modify settings.php and possibly execute arbitrary code via vectors related to the user theme preference.

The weakness was disclosed 10/11/2012 (Website). It is possible to read the advisory at webcalendar.cvs.sourceforge.net. The identification of this vulnerability is CVE-2012-5385 since 10/11/2012. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 12661 (WebCalendar Remote Code Injection Vulnerability).

Upgrading to version 1.1.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Vulnerability Center (SBV-43865†). The entries VDB-51847, VDB-51846 and VDB-58715 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Calendar Software

Vendor

Craig Knudsen

Name

WebCalendar

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: WebCalendar 1.1.5

Timelineinfo

10/11/2012 🔍
10/11/2012 +0 days 🔍
10/11/2012 +0 days 🔍
10/11/2012 +0 days 🔍
04/02/2014 +538 days 🔍
03/24/2015 +356 days 🔍
05/24/2017 +792 days 🔍

Sourcesinfo

Advisory: webcalendar.cvs.sourceforge.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-5385 (🔍)
GCVE (CVE): GCVE-0-2012-5385
GCVE (VulDB): GCVE-100-62687
Vulnerability Center: 43865 - WebCalendar Before 1.2.5 Remote Code Execution Related to the User Theme Preference, High

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 05/24/2017 10:54
Changes: 03/24/2015 12:22 (55), 05/24/2017 10:54 (2)
Complete: 🔍
Cache ID: 216::103