VDB-179758 · CVE-2021-36766 · GCVE-0-2021-36766

concrete5 up to 8.5.5 logging.php Logging::update_logging logFile deserialization

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in concrete5 up to 8.5.5. The impacted element is the function Logging::update_logging of the file controllers/single_page/dashboard/system/environment/logging.php. Executing a manipulation of the argument logFile can lead to deserialization. This vulnerability appears as CVE-2021-36766. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in concrete5 up to 8.5.5. This vulnerability affects the function Logging::update_logging of the file controllers/single_page/dashboard/system/environment/logging.php. The manipulation of the argument logFile with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 07/30/2021. The advisory is available at hackerone.com. This vulnerability was named CVE-2021-36766. Technical details are known, but there is no available exploit.

By approaching the search of inurl:controllers/single_page/dashboard/system/environment/logging.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Name

concrete5

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/16/2021 🔍
07/30/2021 +14 days 🔍
07/30/2021 +0 days 🔍
08/05/2021 +6 days 🔍

Sourcesinfo

Advisory: hackerone.com
Status: Not defined

CVE: CVE-2021-36766 (🔍)
GCVE (CVE): GCVE-0-2021-36766
GCVE (VulDB): GCVE-100-179758

Entryinfo

Created: 07/30/2021 19:33
Updated: 08/05/2021 20:03
Changes: 07/30/2021 19:33 (37), 08/05/2021 20:03 (2)
Complete: 🔍
Cache ID: 216::103