VDB-161188 · CVE-2020-24660 · GCVE-0-2020-24660

LemonLDAP::NG up to 2.0.8 Access Control direct request

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.
7.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in LemonLDAP::NG up to 2.0.8. It has been declared as critical. Impacted is an unknown function of the component Access Control. Executing a manipulation can lead to direct request. This vulnerability appears as CVE-2020-24660. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in LemonLDAP::NG up to 2.0.8 (Directory Service Software). It has been declared as critical. This vulnerability affects some unknown processing of the component Access Control. The manipulation with an unknown input leads to a direct request vulnerability. The CWE definition for the vulnerability is CWE-425. The web application does not adequately enforce appropriate authorization on all restricted URLs, scripts, or files. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in LemonLDAP::NG through 2.0.8, when NGINX is used. An attacker may bypass URL-based access control to protected Virtual Hosts by submitting a non-normalized URI. This also affects versions before 0.5.2 of the "Lemonldap::NG handler for Node.js" package.

The weakness was presented 09/14/2020 (Website). The advisory is shared for download at debian.org. This vulnerability was named CVE-2020-24660 since 08/26/2020. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1006.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Directory Service Software

Name

LemonLDAP::NG

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Direct request
CWE: CWE-425
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/26/2020 🔍
09/14/2020 +19 days 🔍
09/14/2020 +0 days 🔍
09/14/2020 +0 days 🔍

Sourcesinfo

Advisory: debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-24660 (🔍)
GCVE (CVE): GCVE-0-2020-24660
GCVE (VulDB): GCVE-100-161188

Entryinfo

Created: 09/14/2020 18:41
Updated: 09/14/2020 18:46
Changes: 09/14/2020 18:41 (37), 09/14/2020 18:46 (18)
Complete: 🔍
Cache ID: 216::103