Resource exhaustion in Nlnet Labs Routinator
CVE-2021-43173
In NLnet Labs Routinator prior to 0.10.2, a validation run can be delayed significantly by an RRDP repository by not answering but slowly drip-feeding bytes to keep the connection alive. This can be used to effectively stall validation. Wh…
EPSS: 0.014 (69.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Nlnet Labs Routinator — versions unspecified
- Nlnetlabs Routinator
- Debian Debian_linux — versions 11.0
Weakness classification (CWE)
References
- sep@nlnetlabs.nl (x_refsource_MISC, Vendor Advisory)
- sep@nlnetlabs.nl (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- sep@nlnetlabs.nl (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
Frequently asked questions
- What is CVE-2021-43173?
- CVE-2021-43173 is a high-severity vulnerability in Nlnet Labs Routinator, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2021-11-09.
- How severe is CVE-2021-43173?
- High severity. CVSS v3 base score is 7.5 out of 10.