csaf_redhat - rhsa-2024

rhsa-2024_1719

Vulnerability from csaf_redhat

Published

2024-04-09 14:25

Modified

2024-11-06 05:25

Summary

Red Hat Security Advisory: rear security update

Notes

Topic

An update for rear is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

Relax-and-Recover is a recovery and system migration utility. The utility produces a bootable image and restores from backup using this image. It allows to restore to different hardware and can therefore be also used as a migration utility. Security Fix(es): * rear: creates a world-readable initrd (CVE-2024-23301) 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.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

JSON

To clipboard

{
  "document": {
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      "text": "Moderate"
    },
    "category": "csaf_security_advisory",
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    "distribution": {
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        "text": "An update for rear is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
        "title": "Topic"
      },
      {
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        "text": "Relax-and-Recover is a recovery and system migration utility. The utility produces a bootable image and restores from backup using this image. It allows to restore to different hardware and can therefore be also used as a migration utility.\n\nSecurity Fix(es):\n\n* rear: creates a world-readable initrd (CVE-2024-23301)\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.",
        "title": "Details"
      },
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        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
        "title": "Terms of Use"
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        },
        "product_reference": "rear-0:2.6-11.el8_9.aarch64",
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      },
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        },
        "product_reference": "rear-0:2.6-11.el8_9.s390x",
        "relates_to_product_reference": "AppStream-8.9.0.Z.MAIN"
      },
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      },
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        },
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        "relates_to_product_reference": "AppStream-8.9.0.Z.MAIN"
      }
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2024-23301",
      "cwe": {
        "id": "CWE-359",
        "name": "Exposure of Private Personal Information to an Unauthorized Actor"
      },
      "discovery_date": "2024-01-15T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258396"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability has been identified in Relax-and-Recover (ReaR), where the use of GRUB_RESCUE=y results in the creation of an initrd that is readable by anyone. This flaw could potentially enable local attackers to obtain access to system secrets that are typically restricted to root privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "rear: creates a world-readable initrd",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "A moderate security concern has been identified in Relax-and-Recover (ReaR), particularly when the non-default configuration GRUB_RESCUE=y is used within Red Hat Enterprise Linux (RHEL). This setting results in the creation of a world-readable initrd, potentially providing local attackers an avenue to access system secrets usually restricted to root privileges. It\u0027s worth noting that the default initrd created by ReaR does not contain secrets.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
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          "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.ppc64le",
          "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.s390x",
          "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.src",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258396"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2024-23301",
          "url": "https://www.cve.org/CVERecord?id=CVE-2024-23301"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2024-23301",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-23301"
        },
        {
          "category": "external",
          "summary": "https://github.com/rear/rear/issues/3122",
          "url": "https://github.com/rear/rear/issues/3122"
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        {
          "category": "external",
          "summary": "https://github.com/rear/rear/pull/3123",
          "url": "https://github.com/rear/rear/pull/3123"
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      ],
      "release_date": "2024-01-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-04-09T14:25:41+00:00",
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            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.src",
            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:1719"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.ppc64le",
            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.s390x",
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            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.ppc64le",
            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.s390x",
            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.src",
            "AppStream-8.9.0.Z.MAIN:rear-0:2.6-11.el8_9.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "rear: creates a world-readable initrd"
    }
  ]
}

cve-2024-23301

Vulnerability from cvelistv5

Published

2024-01-12 00:00

Modified

2024-11-14 14:42

Severity ?

Summary

Relax-and-Recover (aka ReaR) through 2.7 creates a world-readable initrd when using GRUB_RESCUE=y. This allows local attackers to gain access to system secrets otherwise only readable by root.

References

▼	URL	Tags
	https://github.com/rear/rear/issues/3122
	https://github.com/rear/rear/pull/3123
	https://lists.debian.org/debian-lts-announce/2024/02/msg00003.html	mailing-list
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7JIN57LUPBI2GDJOK3PYXNHJTZT3AQTZ/	vendor-advisory
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHKMPXJNXEJJE6EVYE5HM7EKEJFQMBN7/	vendor-advisory

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-01T22:59:32.206Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2024-23301",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
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                  },
                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-14T14:41:52.637001Z",
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        ],
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    "cna": {
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  },
  "cveMetadata": {
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    "dateReserved": "2024-01-12T00:00:00",
    "dateUpdated": "2024-11-14T14:42:07.888Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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