CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
AI Score
Confidence
Low
EPSS
Percentile
41.7%
SSVC
Exploitation
none
Automatable
no
Technical Impact
total
A flaw was found in the offline_access scope in Keycloak. This issue would affect users of shared computers more (especially if cookies are not cleared), due to a lack of root session validation, and the reuse of session ids across root and user authentication sessions. This enables an attacker to resolve a user session attached to a previously authenticated user; when utilizing the refresh token, they will be issued a token for the original user.
[
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7",
"packageName": "keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6.1"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6.1",
"packageName": "keycloak",
"collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
"defaultStatus": "unaffected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 7",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.3-1.redhat_00002.1.el7sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el7"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 7",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.6-1.redhat_00001.1.el7sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el8"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 8",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.3-1.redhat_00002.1.el8sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el8"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 8",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.6-1.redhat_00001.1.el8sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.3-1.redhat_00002.1.el9sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:red_hat_single_sign_on:7.6::el9"
],
"vendor": "Red Hat",
"product": "Red Hat Single Sign-On 7.6 for RHEL 9",
"versions": [
{
"status": "unaffected",
"version": "0:18.0.6-1.redhat_00001.1.el9sso",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso7-keycloak",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:rhosemc:1.0::el8"
],
"vendor": "Red Hat",
"product": "RHEL-8 based Middleware Containers",
"versions": [
{
"status": "unaffected",
"version": "7.6-15",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso-7/sso76-openshift-rhel8",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
},
{
"cpes": [
"cpe:/a:redhat:rhosemc:1.0::el8"
],
"vendor": "Red Hat",
"product": "RHEL-8 based Middleware Containers",
"versions": [
{
"status": "unaffected",
"version": "7.6-20",
"lessThan": "*",
"versionType": "rpm"
}
],
"packageName": "rh-sso-7/sso76-openshift-rhel8",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"defaultStatus": "affected"
}
]
access.redhat.com/errata/RHSA-2022:8961
access.redhat.com/errata/RHSA-2022:8962
access.redhat.com/errata/RHSA-2022:8963
access.redhat.com/errata/RHSA-2022:8964
access.redhat.com/errata/RHSA-2022:8965
access.redhat.com/errata/RHSA-2023:1043
access.redhat.com/errata/RHSA-2023:1044
access.redhat.com/errata/RHSA-2023:1045
access.redhat.com/errata/RHSA-2023:1047
access.redhat.com/errata/RHSA-2023:1049
access.redhat.com/security/cve/CVE-2022-3916
bugzilla.redhat.com/show_bug.cgi?id=2141404
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
AI Score
Confidence
Low
EPSS
Percentile
41.7%
SSVC
Exploitation
none
Automatable
no
Technical Impact
total