CVE-2020-10758
A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.95%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.95% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- redhat/keycloak · redhat/openshift application runtimes · redhat/single sign-on
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1843849Issue Tracking, Mitigation, Vendor Advisory
- https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1843849Issue Tracking, Mitigation, Vendor Advisory
- https://github.com/keycloak/keycloak/commit/bee4ca89897766c4b68856eafe14f1a3dad34251Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.