lemonldap-ng 2.0.13 RESTServer Plug-in LemonLDAP::NG improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in lemonldap-ng 2.0.13. This affects the function LemonLDAP::NG of the component RESTServer Plug-in. The manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2021-40874. No exploit exists.

Detailsinfo

A vulnerability was found in lemonldap-ng 2.0.13 (Directory Service Software). It has been rated as critical. This issue affects the function LemonLDAP::NG of the component RESTServer Plug-in. 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 (aka lemonldap-ng) 2.0.13. When using the RESTServer plug-in to operate a REST password validation service (for another LemonLDAP::NG instance, for example) and using the Kerberos authentication method combined with another method with the Combination authentication plug-in, any password will be recognized as valid for an existing user.

The weakness was disclosed 07/18/2022 as 2612. It is possible to read the advisory at gitlab.ow2.org. The identification of this vulnerability is CVE-2021-40874 since 09/13/2021. Technical details of the vulnerability are known, but there is no available exploit.

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

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/13/2021 🔍
07/18/2022 +308 days 🔍
07/18/2022 +0 days 🔍
08/01/2022 +14 days 🔍

Sourcesinfo

Advisory: 2612
Status: Confirmed

CVE: CVE-2021-40874 (🔍)
GCVE (CVE): GCVE-0-2021-40874
GCVE (VulDB): GCVE-100-204047

Entryinfo

Created: 07/18/2022 07:44
Updated: 08/01/2022 14:13
Changes: 07/18/2022 07:44 (40), 08/01/2022 14:13 (11)
Complete: 🔍
Cache ID: 216::103

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