DotClear up to 2.8.1 class.dc.core.php 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.
7.4$0-$5k0.00

A vulnerability was found in DotClear up to 2.8.1 (Blog Software). It has been declared as critical. This vulnerability affects an unknown functionality of the file inc/core/class.dc.core.php. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Multiple incomplete blacklist vulnerabilities in inc/core/class.dc.core.php in Dotclear before 2.8.2 allow remote authenticated users with "manage their own media items" and "manage their own entries and comments" permissions to execute arbitrary PHP code by uploading a file with a (1) .pht, (2) .phps, or (3) .phtml extension.

The bug was discovered 03/05/2016. The weakness was presented 02/09/2017 by Tim Coen (Website). The advisory is shared for download at dotclear.org. This vulnerability was named CVE-2015-8832 since 03/06/2016. The attack can be initiated remotely. The successful exploitation needs a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability was handled as a non-public zero-day exploit for at least 341 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:inc/core/class.dc.core.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.8.2 eliminates this vulnerability.

See 96747 for similar entry.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: DotClear 2.8.2

Timelineinfo

11/13/2015 🔍
03/05/2016 +113 days 🔍
03/06/2016 +1 days 🔍
02/09/2017 +340 days 🔍
02/09/2017 +0 days 🔍
02/09/2017 +0 days 🔍
11/12/2022 +2102 days 🔍

Sourcesinfo

Advisory: 134352
Researcher: Tim Coen
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8832 (🔍)
SecurityFocus: 96379 - Dotclear 'inc/core/class.dc.core.php' Arbitrary File Upload Vulnerability
OSVDB: - CVE-2015-8832 - Dotclear - Multiple Incomplete Blacklist Issues

See also: 🔍

Entryinfo

Created: 02/09/2017 19:31
Updated: 11/12/2022 11:07
Changes: 02/09/2017 19:31 (60), 08/12/2020 17:12 (7), 11/12/2022 11:07 (3)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

Do you know our Splunk app?

Download it now for free!