KeyCloak CSRF Prevention session expiration

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in KeyCloak. It has been declared as problematic. The impacted element is an unknown function of the component CSRF Prevention. Such manipulation leads to session expiration. This vulnerability is uniquely identified as CVE-2017-12159. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in KeyCloak (version now known). Affected by this issue is some unknown processing of the component CSRF Prevention. The manipulation with an unknown input leads to a session expiration vulnerability. Using CWE to declare the problem leads to CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." Impacted is integrity. CVE summarizes:

It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.

The bug was discovered 08/01/2017. The weakness was disclosed 10/26/2017 (Website). The advisory is shared for download at access.redhat.com. This vulnerability is handled as CVE-2017-12159 since 08/01/2017. The attack may be launched remotely. Required for exploitation is a simple authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit 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 databases at Tenable (103956) and SecurityFocus (BID 101601†). The entries VDB-108631 and VDB-108633 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Session expiration
CWE: CWE-613
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 🔍
10/17/2017 +0 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
Researcher: Prapti Mittal
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12159 (🔍)
GCVE (CVE): GCVE-0-2017-12159
GCVE (VulDB): GCVE-100-108632
SecurityFocus: 101601 - JBoss KeyCloak CVE-2017-12159 Cross Site Request Forgery Vulnerability

See also: 🔍

Entryinfo

Created: 10/27/2017 09:11
Updated: 01/04/2023 14:47
Changes: 10/27/2017 09:11 (66), 11/30/2019 19:12 (5), 01/20/2021 18:14 (3), 01/04/2023 14:47 (3)
Complete: 🔍
Cache ID: 216:A57:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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