Vulnerability Description
A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Fuse | 1.0 |
| Redhat | Integration Camel K | - |
| Redhat | Integration Camel Quarkus | - |
| Redhat | Jboss Enterprise Application Platform | - |
| Redhat | Openshift Application Runtimes | - |
| Redhat | Single Sign-On | - |
| Redhat | Undertow | < 2.0.40 |
| Redhat | Enterprise Linux | 6.0 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3690Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299Issue TrackingVendor Advisory
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea590236PatchThird Party Advisory
- https://issues.redhat.com/browse/UNDERTOW-1935ExploitIssue TrackingMitigation
- https://access.redhat.com/security/cve/CVE-2021-3690Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1991299Issue TrackingVendor Advisory
- https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea590236PatchThird Party Advisory
- https://issues.redhat.com/browse/UNDERTOW-1935ExploitIssue TrackingMitigation
FAQ
What is CVE-2021-3690?
CVE-2021-3690 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from thi...
How severe is CVE-2021-3690?
CVE-2021-3690 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3690?
Check the references section above for vendor advisories and patch information. Affected products include: Redhat Fuse, Redhat Integration Camel K, Redhat Integration Camel Quarkus, Redhat Jboss Enterprise Application Platform, Redhat Openshift Application Runtimes.