Radicale up to 1.0 user name access control

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Radicale up to 1.0. Affected by this issue is some unknown processing. The manipulation of the argument user name with the input value .* leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Radicale before 1.1 allows remote authenticated users to bypass owner_write and owner_only limitations via regex metacharacters in the user name, as demonstrated by ".*".

The weakness was released 02/03/2016 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2015-8748 since 01/05/2016. The attack may be launched remotely. Required for exploitation is a simple authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 88388 (Debian DLA-403-1 : radicale security update), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175615 (Debian Security Update for radicale (DSA 3462-1)).

Upgrading to version 1.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (88388), SecurityFocus (BID 80255†) and Vulnerability Center (SBV-56623†). Entries connected to this vulnerability are available at VDB-80785 and VDB-80788.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 88388
Nessus Name: Debian DLA-403-1 : radicale security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703462
OpenVAS Name: Debian Security Advisory DSA 3462-1 (radicale - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Radicale 1.1
Patch: github.com

Timelineinfo

01/04/2016 🔍
01/04/2016 +0 days 🔍
01/05/2016 +1 days 🔍
01/25/2016 +20 days 🔍
01/26/2016 +1 days 🔍
02/03/2016 +7 days 🔍
02/03/2016 +0 days 🔍
02/05/2016 +2 days 🔍
02/16/2016 +11 days 🔍
07/06/2022 +2331 days 🔍

Sourcesinfo

Advisory: 4bfe7c9f7991d534c8b9fbe153af9d341f925f98
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8748 (🔍)
SecurityFocus: 80255 - Radicale Arbitrary File Access And Multiple Security Bypass Vulnerabilities
Vulnerability Center: 56623 - Radicale before 1.1 Remote Security Bypass Vulnerability via Regex Metacharacters in the User Name, Medium

See also: 🔍

Entryinfo

Created: 02/05/2016 09:46 AM
Updated: 07/06/2022 08:34 PM
Changes: 02/05/2016 09:46 AM (71), 08/23/2018 07:23 AM (13), 07/06/2022 08:25 PM (4), 07/06/2022 08:34 PM (2)
Complete: 🔍
Cache ID: 18:E88:40

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