DotClear up to 2.8.1 class.dc.core.php access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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

Summaryinfo

A vulnerability categorized as critical has been discovered in DotClear up to 2.8.1. This vulnerability affects unknown code of the file inc/core/class.dc.core.php. Executing a manipulation can lead to access control. This vulnerability appears as CVE-2015-8832. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

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. The vulnerability scanner Nessus provides a plugin with the ID 264197 (Linux Distros Unpatched Vulnerability : CVE-2015-8832), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.8.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (264197) and SecurityFocus (BID 96379†). See VDB-96747 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
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
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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-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 264197
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2015-8832

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 🔍
09/14/2025 +3139 days 🔍

Sourcesinfo

Advisory: 134352
Researcher: Tim Coen
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-8832 (🔍)
GCVE (CVE): GCVE-0-2015-8832
GCVE (VulDB): GCVE-100-96748
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: 09/14/2025 03:54
Changes: 02/09/2017 19:31 (60), 08/12/2020 17:12 (7), 11/12/2022 11:07 (3), 09/14/2025 03:54 (18)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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