KeyCloak Oauth improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in KeyCloak. It has been rated as critical. This affects an unknown function of the component Oauth. Performing a manipulation results in improper authentication. This vulnerability was named CVE-2017-12160. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in KeyCloak (version unknown). This affects an unknown function of the component Oauth. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself continued permissions and possibly conduct further attacks.

The bug was discovered 08/01/2017. The weakness was presented 10/26/2017 (Website). The advisory is shared at access.redhat.com. This vulnerability is uniquely identified as CVE-2017-12160 since 08/01/2017. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 77 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 103956 (RHEL 6 : rh-sso7-keycloak (RHSA-2017:2904)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103956). See VDB-108631 and VDB-108632 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.2
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

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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Nessus ID: 103956
Nessus Name: RHEL 6 : rh-sso7-keycloak (RHSA-2017:2904)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/01/2017 🔍
08/01/2017 +0 days 🔍
10/17/2017 +77 days 🔍
10/19/2017 +2 days 🔍
10/26/2017 +7 days 🔍
10/26/2017 +0 days 🔍
10/27/2017 +1 days 🔍
01/04/2023 +1895 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2904
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12160 (🔍)
GCVE (CVE): GCVE-0-2017-12160
GCVE (VulDB): GCVE-100-108633
See also: 🔍

Entryinfo

Created: 10/27/2017 09:11
Updated: 01/04/2023 14:50
Changes: 10/27/2017 09:11 (63), 11/30/2019 19:20 (3), 01/04/2023 14:50 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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