Chamilo up to 1.11.14 fileUpload.lib.php pathname traversal

HistoryDiffrelatejsonxmlCTI

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.
4.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Chamilo up to 1.11.14. The impacted element is an unknown function in the library main/inc/lib/fileUpload.lib.php. This manipulation causes pathname traversal. The identification of this vulnerability is CVE-2021-31933. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in Chamilo up to 1.11.14 (Content Management System) and classified as critical. Affected by this vulnerability is some unknown functionality in the library main/inc/lib/fileUpload.lib.php. The manipulation with an unknown input leads to a pathname traversal vulnerability. The CWE definition for the vulnerability is CWE-21. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 05/01/2021. It is possible to read the advisory at support.chamilo.org. This vulnerability is known as CVE-2021-31933. Technical details and also a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

It is possible to download the exploit at packetstormsecurity.com. It is declared as proof-of-concept. By approaching the search of inurl:main/inc/lib/fileUpload.lib.php it is possible to find vulnerable targets with Google Hacking.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at Exploit-DB (49867). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Content Management System

Name

Chamilo

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.7
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.7
VulDB Temp Score: 4.2
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: Pathname traversal
CWE: CWE-21 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

04/30/2021 🔍
05/01/2021 +1 days 🔍
05/01/2021 +0 days 🔍
12/07/2024 +1316 days 🔍

Sourcesinfo

Advisory: support.chamilo.org
Status: Confirmed

CVE: CVE-2021-31933 (🔍)
GCVE (CVE): GCVE-0-2021-31933
GCVE (VulDB): GCVE-100-174379
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/01/2021 07:32
Updated: 12/07/2024 20:12
Changes: 05/01/2021 07:32 (38), 05/07/2021 07:24 (5), 05/07/2021 07:29 (1), 06/19/2024 06:04 (23), 12/07/2024 20:12 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.