GHSA-jc6q-27mw-p55w
Dashboard / Vulnerabilities / GHSA-jc6q-27mw-p55w
Summary: Keycloak vulnerable to infinite loop based Denial of Service
Details: When Keycloak versions prior to 2.5.5 receive a Logout request with an Extensions in the middle of the request, the SAMLSloRequestParser.parse() method ends in an infinite loop. An attacker could use this flaw to conduct denial of service attacks.
References: https://nvd.nist.gov/vuln/detail/CVE-2017-2646, https://github.com/advisories/GHSA-jc6q-27mw-p55w, https://github.com/keycloak/keycloak
Affected packages
Package
Name: org.keycloak:keycloak-core
Purl: pkg:maven/org.keycloak/keycloak-core
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2.5.5
Affected versions
1.0-alpha-1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
