Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU98769
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-2837
CWE-ID:
CWE-669 - Incorrect Resource Transfer Between Spheres
Exploit availability: No
DescriptionThe vulnerability allows a remote user to redirect traffic.
The vulnerability exists due to improper sanitization of user-supplied data. A remote user can redirect traffic intended for external top-level domains (TLD) to a pod they control by creating projects and namespaces that match the TLD.
MitigationInstall update from vendor's website.
Vulnerable software versionsCoreDNS: All versions
CPE2.3 External linkshttp://bugzilla.redhat.com/show_bug.cgi?id=2118543
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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.