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CVE-2017-2646

Good to know:

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Date: July 27, 2018

It was found that when Keycloak before 2.5.5 receives a Logout request with a Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in a infinite loop. An attacker could use this flaw to conduct denial of service attacks.

Language: Java

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2017-2646
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646
https://github.com/keycloak/keycloak
https://github.com/advisories/GHSA-jc6q-27mw-p55w
http://www.securityfocus.com/bid/96882
https://www.mend.io/vulnerability-database/CVE-2017-2646

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Loop with Unreachable Exit Condition ('Infinite Loop')

CWE-835

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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