VDB-284927 · CVE-2024-52946 · Issue 3255

LemonLDAP::NG up to 2.20.0 Session Refresh improper authentication

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.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in LemonLDAP::NG up to 2.20.0. Impacted is an unknown function of the component Session Refresh. The manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2024-52946. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in LemonLDAP::NG up to 2.20.0 and classified as critical. This issue affects some unknown processing of the component Session Refresh. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in LemonLDAP::NG before 2.20.1. An Improper Check during session refresh allows an authenticated user to raise their authentication level if the admin configured an "Adaptative authentication rule" with an increment instead of an absolute value.

It is possible to read the advisory at gitlab.ow2.org. The identification of this vulnerability is CVE-2024-52946 since 11/18/2024. The exploitation is known to be easy. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 211976 (Debian dla-3979 : lemonldap-ng - security update), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 2.20.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211976). Be aware that VulDB is the high quality 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: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Nessus ID: 211976
Nessus Name: Debian dla-3979 : lemonldap-ng - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LemonLDAP::NG 2.20.1

Timelineinfo

11/18/2024 🔍
11/18/2024 +0 days 🔍
11/18/2024 +0 days 🔍
12/01/2024 +13 days 🔍

Sourcesinfo

Advisory: 3255
Status: Confirmed

CVE: CVE-2024-52946 (🔍)
GCVE (CVE): GCVE-0-2024-52946
GCVE (VulDB): GCVE-100-284927

Entryinfo

Created: 11/18/2024 07:26
Updated: 12/01/2024 03:58
Changes: 11/18/2024 07:26 (56), 12/01/2024 03:58 (3)
Complete: 🔍
Cache ID: 216::103