CVE-2023-0158

Triggered crash on direct RRDP access

Description

NLnet Labs Krill supports direct access to the RRDP repository content through its built-in web server at the "/rrdp" endpoint. Prior to 0.12.1 a direct query for any existing directory under "/rrdp/", rather than an RRDP file such as "/rrdp/notification.xml" as would be expected, causes Krill to crash. If the built-in "/rrdp" endpoint is exposed directly to the internet, then malicious remote parties can cause the publication server to crash. The repository content is not affected by this, but the availability of the server and repository can cause issues if this attack is persistent and is not mitigated.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.23%
Vendor Advisory nlnetlabs.nl
Affected: NLnet Labs Krill
Published at:
Updated at:

References

Link Tags
https://www.nlnetlabs.nl/downloads/krill/CVE-2023-0158.txt mitigation vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-0158?
CVE-2023-0158 has been scored as a high severity vulnerability.
How to fix CVE-2023-0158?
To fix CVE-2023-0158, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-0158 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-0158 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-0158?
CVE-2023-0158 affects NLnet Labs Krill.
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