Vulnerability-Lookup

alsa-2022:0370

Vulnerability from osv_almalinux

Published

2022-02-01 20:13

Modified

2022-02-02 11:55

Summary

Moderate: cryptsetup security update

Details

The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module.

Security Fix(es):

cryptsetup: disable encryption via header rewrite (CVE-2021-4122)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "cryptsetup-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.3-4.el8_5.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The cryptsetup packages provide a utility for setting up disk encryption using the dm-crypt kernel module.\n\nSecurity Fix(es):\n\n* cryptsetup: disable encryption via header rewrite (CVE-2021-4122)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "id": "ALSA-2022:0370",
  "modified": "2022-02-02T11:55:08Z",
  "published": "2022-02-01T20:13:30Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-4122"
    }
  ],
  "related": [
    "CVE-2021-4122"
  ],
  "summary": "Moderate: cryptsetup security update"
}

CVE-2021-4122 (GCVE-0-2021-4122)

Vulnerability from cvelistv5 – Published: 2022-08-24 15:08 – Updated: 2024-08-03 17:16

Summary

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.

Severity ?

No CVSS data available.

CWE

CWE-345 - - Insufficient Verification of Data Authenticity

Assigner

redhat

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2031859	x_refsource_MISC
	https://mirrors.edge.kernel.org/pub/linux/utils/c…	x_refsource_MISC
	https://gitlab.com/cryptsetup/cryptsetup/-/commit…	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=2032401	x_refsource_MISC
	https://access.redhat.com/security/cve/CVE-2021-4122	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	cryptsetup	Affected: Fixed in cryptsetup 2.4.3, cryptsetup 2.3.7

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

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