CVE-2024-1249
Keycloak: org.keycloak.protocol.oidc: unvalidated cross-origin messages in checkloginiframe leads to ddos
No known exploitation. EPSS puts it in the 36th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A flaw was found in Keycloak's OIDC component in the "checkLoginIframe," which allows unvalidated cross-origin messages. This flaw allows attackers to coordinate and send millions of requests in seconds using simple code, significantly impacting the application's availability without proper origin validation for incoming messages.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.4% chance of exploitation activity in the next 30 days, which ranks it in the 36th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
12 events over 874 days, from the signal feeds we watch.
- Patch availableworkaround available, record updated
- Patch availableworkaround available, record updated
- OpenVAS check added
- Patch availableworkaround available, record updated
- Publishedweakness classified
Affected products
- Red Hat AMQ Broker 7Operating Systems / linux-distro
- Red Hat build of Keycloak 22Security Products / identity-access-mgmt
- Red Hat build of Keycloak 22.0.10Security Products / identity-access-mgmt
- Red Hat Single Sign-On 7.6 for RHEL 7Security Products / identity-access-mgmt
- Red Hat Single Sign-On 7.6 for RHEL 8Security Products / identity-access-mgmt
- Red Hat Single Sign-On 7.6 for RHEL 9Security Products / identity-access-mgmt
- RHEL-8 based Middleware ContainersCloud & SaaS / container-orchestration
- RHOSS-1.33-RHEL-8Operating Systems / linux-distro
And 16 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H
Scored 7.4 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
- access.redhat.com/errata/RHSA-2024:1860
- access.redhat.com/errata/RHSA-2024:1861
- access.redhat.com/errata/RHSA-2024:1862
And 13 more references. See all after sign-in
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