CVE-2017-2646

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Source
https://cve.org/CVERecord?id=CVE-2017-2646
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2646.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2017-2646
Aliases
Published
2018-07-27T18:29:01.017Z
Modified
2026-07-22T03:44:44.767582Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e677755bc5e4efd83ab1a92158f647907ccc0095
Database specific 
{
    "cpe": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.5.5"
        }
    ]
}

Affected versions

1.*
1.0-alpha-1
1.0-alpha-1-12062013
1.0-alpha-2
1.0-alpha-3
1.0-beta-1
1.0-beta-2
1.0-beta-4
1.0-final
1.0-rc-1
1.0.0.Final
1.1.0.Beta2
1.3.0.Final
2.*
2.4.0.Test
2.5.1.Final
2.5.2.Final
2.5.3.Final
2.5.4.Final

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-2646.json"