VDB-187956 · CVE-2021-41242 · GHSA-62hv-rfp4-hmrm

OpenOlat up to 15.5.11/16.0.4 REST path traversal

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.
6.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenOlat up to 15.5.11/16.0.4. It has been declared as problematic. Affected is an unknown function of the component REST Module. The manipulation results in path traversal. This vulnerability is identified as CVE-2021-41242. The attack can be executed remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in OpenOlat up to 15.5.11/16.0.4. Affected is some unknown processing of the component REST Module. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality.

The weakness was released 12/11/2021 by Firewall as GHSA-62hv-rfp4-hmrm. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2021-41242 since 09/15/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 15.5.12 or 16.0.5 eliminates this vulnerability. Applying the patch 336d5ce80681be61a0bbf4f73d2af5d1ff67e93a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

OpenOlat

Version

License

open-source

Website

Product: https://github.com/OpenOLAT/OpenOLAT/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (GitHub, Inc.): 🔍

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: Path traversal
CWE: CWE-23 / CWE-22
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenOlat 15.5.12/16.0.5
Patch: 336d5ce80681be61a0bbf4f73d2af5d1ff67e93a

Timelineinfo

09/15/2021 🔍
12/11/2021 +87 days 🔍
12/11/2021 +0 days 🔍
12/15/2021 +4 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-62hv-rfp4-hmrm
Researcher: Firewall
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41242 (🔍)
GCVE (CVE): GCVE-0-2021-41242
GCVE (VulDB): GCVE-100-187956

Entryinfo

Created: 12/11/2021 08:38
Updated: 12/15/2021 18:24
Changes: 12/11/2021 08:38 (52), 12/15/2021 18:24 (2)
Complete: 🔍
Cache ID: 216::103