Resource Exhaustion Affecting fort-validator package, versions <1.5.3-1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.32% (72nd percentile)

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  • Snyk IDSNYK-DEBIAN12-FORTVALIDATOR-2327130
  • published12 Nov 2021
  • disclosed11 Nov 2021

Introduced: 11 Nov 2021

CVE-2021-3909  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade Debian:12 fort-validator to version 1.5.3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream fort-validator package and not the fort-validator package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. Specifically, the repository that OctoRPKI sends HTTP requests to will keep the connection open for a day before a response is returned, but does keep drip feeding new bytes to keep the connection alive.

CVSS Scores

version 3.1