Keycloak Token Type dropped privileges

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Keycloak. The affected element is an unknown function of the component Token Type Handler. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-0657. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Keycloak (affected version not known). Affected by this issue is some unknown functionality of the component Token Type Handler. Using CWE to declare the problem leads to CWE-273. The product attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded. The impact remains unknown. CVE summarizes:

A flaw was found in Keycloak. This issue occurs due to improperly enforcing token types when validating signatures locally. This could allow an authenticated attacker to exchange a logout token for an access token and possibly gain access to data outside of enforced permissions.

The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2023-0657 since 02/02/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

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

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 3.4
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Dropped privileges
CWE: CWE-273 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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

02/02/2023 🔍
04/16/2024 +438 days 🔍
04/16/2024 +0 days 🔍
11/17/2024 +215 days 🔍

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2023-0657 (🔍)
GCVE (CVE): GCVE-0-2023-0657
GCVE (VulDB): GCVE-100-260948

Entryinfo

Created: 04/16/2024 20:02
Updated: 11/17/2024 12:55
Changes: 04/16/2024 20:02 (47), 11/17/2024 12:55 (14)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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