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CVE-2022-38493

Published: 20 August 2022

Rhonabwy 0.9.99 through 1.1.x before 1.1.7 doesn't check the RSA private key length before RSA-OAEP decryption. This allows attackers to cause a Denial of Service via a crafted JWE (JSON Web Encryption) token.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
rhonabwy
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needed

kinetic Not vulnerable
(1.1.8-1)
lunar Not vulnerable
(1.1.8-1)
mantic Not vulnerable
(1.1.8-1)
trusty Does not exist

upstream
Released (1.1.7-1)
xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H