Radicale up to 1.0 Multifilesystem Storage Backend component name File input validation

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.
9.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Radicale up to 1.0. It has been classified as critical. Affected by this issue is some unknown functionality of the component Multifilesystem Storage Backend. This manipulation of the argument component name causes input validation (File). This vulnerability is registered as CVE-2015-8747. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as very critical was found in Radicale up to 1.0. Affected by this vulnerability is an unknown code block of the component Multifilesystem Storage Backend. The manipulation of the argument component name with an unknown input leads to a input validation vulnerability (File). The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The multifilesystem storage backend in Radicale before 1.1 allows remote attackers to read or write to arbitrary files via a crafted component name.

The weakness was published 02/03/2016 (Website). The advisory is shared at github.com. This vulnerability is known as CVE-2015-8747 since 01/05/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/06/2022).

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-56624†). Similar entries are available at VDB-80786 and VDB-80788. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.7

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

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Name: File
Class: Input validation / File
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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: bcaf452e516c02c9bed584a73736431c5e8831f1
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8747 (🔍)
GCVE (CVE): GCVE-0-2015-8747
GCVE (VulDB): GCVE-100-80785
SecurityFocus: 80255 - Radicale Arbitrary File Access And Multiple Security Bypass Vulnerabilities
Vulnerability Center: 56624 - Radicale before 1.1 Remote File system Read and Write via a Crafted Component Name, High

See also: 🔍

Entryinfo

Created: 02/05/2016 09:46
Updated: 07/06/2022 20:18
Changes: 02/05/2016 09:46 (71), 08/23/2018 07:23 (13), 07/06/2022 20:11 (4), 07/06/2022 20:18 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!