CVE-2023-40549

2024-01-2917:15:08

CWE-125

[email protected]

web.nvd.nist.gov

133

cve-2023-40549

shim

out-of-bounds read

denial of service

6.2 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

JSON

An out-of-bounds read flaw was found in Shim due to the lack of proper boundary verification during the load of a PE binary. This flaw allows an attacker to load a crafted PE binary, triggering the issue and crashing Shim, resulting in a denial of service.

Affected configurations

NVD

Node

redhatshimRange<15.8

Node

fedoraprojectfedoraMatch39

redhatenterprise_linuxMatch8.0

redhatenterprise_linuxMatch9.0

CPENameOperatorVersion
redhat:shimredhat shimlt15.8

CPE	Name	Operator	Version
redhat:shim	redhat shim	lt	15.8

CNA Affected

[
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-3.el7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7::server",
      "cpe:/o:redhat:enterprise_linux:7::client",
      "cpe:/o:redhat:enterprise_linux:7::workstation"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim-signed",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-1.el7",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7::server",
      "cpe:/o:redhat:enterprise_linux:7::client",
      "cpe:/o:redhat:enterprise_linux:7::workstation"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-4.el8_9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_e4s:8.2::baseos",
      "cpe:/o:redhat:rhel_aus:8.2::baseos",
      "cpe:/o:redhat:rhel_tus:8.2::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Telecommunications Update Service",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_e4s:8.2::baseos",
      "cpe:/o:redhat:rhel_aus:8.2::baseos",
      "cpe:/o:redhat:rhel_tus:8.2::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_e4s:8.2::baseos",
      "cpe:/o:redhat:rhel_aus:8.2::baseos",
      "cpe:/o:redhat:rhel_tus:8.2::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_tus:8.4::baseos",
      "cpe:/o:redhat:rhel_aus:8.4::baseos",
      "cpe:/o:redhat:rhel_e4s:8.4::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_tus:8.4::baseos",
      "cpe:/o:redhat:rhel_aus:8.4::baseos",
      "cpe:/o:redhat:rhel_e4s:8.4::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_4",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_tus:8.4::baseos",
      "cpe:/o:redhat:rhel_aus:8.4::baseos",
      "cpe:/o:redhat:rhel_e4s:8.4::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.6 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8_6",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_eus:8.6::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:8.8::crb",
      "cpe:/o:redhat:rhel_eus:8.8::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim-unsigned-x64",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el8",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/a:redhat:rhel_eus:8.8::crb",
      "cpe:/o:redhat:rhel_eus:8.8::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-4.el9_3",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9::baseos"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-3.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_eus:9.0::baseos",
      "cpe:/a:redhat:rhel_eus:9.0::appstream",
      "cpe:/a:redhat:rhel_eus:9.0::crb"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim-unsigned-aarch64",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_eus:9.0::baseos",
      "cpe:/a:redhat:rhel_eus:9.0::appstream",
      "cpe:/a:redhat:rhel_eus:9.0::crb"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.0 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim-unsigned-x64",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-2.el9",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_eus:9.0::baseos",
      "cpe:/a:redhat:rhel_eus:9.0::appstream",
      "cpe:/a:redhat:rhel_eus:9.0::crb"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "shim",
    "defaultStatus": "affected",
    "versions": [
      {
        "version": "0:15.8-3.el9_2",
        "lessThan": "*",
        "versionType": "rpm",
        "status": "unaffected"
      }
    ],
    "cpes": [
      "cpe:/o:redhat:rhel_eus:9.2::baseos"
    ]
  }
]