CVE-2017-2646

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.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/96882	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646	Issue Tracking Third Party Advisory
http://www.securityfocus.com/bid/96882	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

History

21 Nov 2024, 03:23

Type	Values Removed	Values Added
References	~~() http://www.securityfocus.com/bid/96882 - Third Party Advisory, VDB Entry~~	() http://www.securityfocus.com/bid/96882 - Third Party Advisory, VDB Entry
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646 - Issue Tracking, Third Party Advisory~~	() https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2646 - Issue Tracking, Third Party Advisory

Information

Published : 2018-07-27 18:29

Updated : 2024-11-21 03:23

NVD link : CVE-2017-2646

Mitre link : CVE-2017-2646

CVE.ORG link : CVE-2017-2646

JSON object : View

Products Affected

redhat

keycloak

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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