Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-10758 |
CWE-ID | CWE-770 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Keycloak Server applications / Directory software, identity management |
Vendor | Keycloak |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU47049
Risk: Medium
CVSSv3.1: 3.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-10758
CWE-ID:
CWE-770 - Allocation of Resources Without Limits or Throttling
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
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.
MitigationInstall update from vendor's website.
Vulnerable software versionsKeycloak: 11.0.0
External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=1843849
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.