Acceptance of Extraneous Untrusted Data With Trusted Data Affecting cryptsetup-ssh-token-debuginfo package, versions <0:2.4.3-2.amzn2023.0.2


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-AMZN2023-CRYPTSETUPSSHTOKENDEBUGINFO-3340581
  • published6 Mar 2023
  • disclosed24 Aug 2022

Introduced: 24 Aug 2022

CVE-2021-4122  (opens in a new tab)
CWE-349  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 cryptsetup-ssh-token-debuginfo to version 0:2.4.3-2.amzn2023.0.2 or higher.
This issue was patched in ALAS2023-2023-027.

NVD Description

Note: Versions mentioned in the description apply only to the upstream cryptsetup-ssh-token-debuginfo package and not the cryptsetup-ssh-token-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.

CVSS Scores

version 3.1