CVE-2022-28737 (GCVE-0-2022-28737)

Vulnerability from cvelistv5 – Published: 2023-07-20 00:26 – Updated: 2024-10-22 13:17
VLAI
Title
There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables
Summary
There's a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario.
Severity
6.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-22 13:15 UTC
Assigner
canonical CNA under the mitre root
CNA scorecard B 82/100 over 62 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Red Hat Bootloader Team shim Affected: 0 , < 15.6 (semver)
guessed Create a notification for this product.
redhat shim Affected: 0 , < 15.6 (semver)
    cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2022-06-13 00:00
Credits
Chris Coulson
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T06:03:52.700Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "mailing-list",
              "x_transferred"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
          },
          {
            "tags": [
              "issue-tracking",
              "x_transferred"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "affected": [
          {
            "cpes": [
              "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "shim",
            "vendor": "redhat",
            "versions": [
              {
                "lessThan": "15.6",
                "status": "affected",
                "version": "0",
                "versionType": "semver"
              }
            ]
          }
        ],
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-28737",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:15:51.434701Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-10-22T13:17:50.789Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "packageName": "shim",
          "platforms": [
            "Linux"
          ],
          "product": "shim",
          "repo": "https://github.com/rhboot/shim/",
          "vendor": "Red Hat Bootloader Team",
          "versions": [
            {
              "lessThan": "15.6",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Chris Coulson"
        }
      ],
      "datePublic": "2022-06-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-07-20T15:38:14.142Z",
        "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "shortName": "canonical"
      },
      "references": [
        {
          "tags": [
            "mailing-list"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
        },
        {
          "tags": [
            "issue-tracking"
          ],
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
        }
      ],
      "title": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2022-28737",
    "datePublished": "2023-07-20T00:26:15.627Z",
    "dateReserved": "2022-04-05T21:59:08.761Z",
    "dateUpdated": "2024-10-22T13:17:50.789Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2022-28737",
      "date": "2026-11-13",
      "epss": "0.00326",
      "percentile": "0.26005"
    },
    "fkie_nvd": {
      "configurations": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*",
                  "matchCriteriaId": "0A305DFD-CD50-408F-843E-0234EE1D25DA",
                  "versionEndExcluding": "15.6",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario."
        }
      ],
      "id": "CVE-2022-28737",
      "lastModified": "2024-11-21T06:57:50.197",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "HIGH",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 0.6,
            "impactScore": 5.9,
            "source": "security@ubuntu.com",
            "type": "Secondary"
          },
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 7.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            },
            "exploitabilityScore": 1.8,
            "impactScore": 5.9,
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      },
      "published": "2023-07-20T01:15:10.473",
      "references": [
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
        },
        {
          "source": "security@ubuntu.com",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Third Party Advisory"
          ],
          "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
        },
        {
          "source": "af854a3a-2127-422b-91ae-364da2661108",
          "tags": [
            "Mailing List",
            "Third Party Advisory"
          ],
          "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
        }
      ],
      "sourceIdentifier": "security@ubuntu.com",
      "vulnStatus": "Modified",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-787"
            }
          ],
          "source": "nvd@nist.gov",
          "type": "Primary"
        }
      ]
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "packageName": "shim",
                "platforms": [
                  "Linux"
                ],
                "product": "shim",
                "repo": "https://github.com/rhboot/shim/",
                "vendor": "Red Hat Bootloader Team",
                "versions": [
                  {
                    "lessThan": "15.6",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "security@ubuntu.com"
          },
          {
            "affectedData": [
              {
                "cpes": [
                  "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "shim",
                "vendor": "redhat",
                "versions": [
                  {
                    "lessThan": "15.6",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0A305DFD-CD50-408F-843E-0234EE1D25DA",
                    "versionEndExcluding": "15.6",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario."
          },
          {
            "lang": "es",
            "value": "Hay un posible desbordamiento en handle_image() cuando shim intenta cargar y ejecutar ejecutables EFI manipulados; La funci\u00f3n handle_image() tiene en cuenta el campo SizeOfRawData de cada secci\u00f3n a cargar. Un atacante puede aprovechar esto para realizar escrituras fuera de l\u00edmites en la memoria. La ejecuci\u00f3n de c\u00f3digo arbitrario no se descarta en dicho escenario."
          }
        ],
        "id": "CVE-2022-28737",
        "lastModified": "2026-11-10T12:10:00.177",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 0.6,
              "impactScore": 5.9,
              "source": "security@ubuntu.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2022-28737",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-10-22T13:15:51.434701Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-07-20T01:15:10.473",
        "references": [
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
          },
          {
            "source": "security@ubuntu.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
          }
        ],
        "sourceIdentifier": "security@ubuntu.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-787"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-11-05T09:43:36+00:00",
      "cve": "CVE-2022-28737",
      "id": "CVE-2022-28737",
      "initial_release_date": "2022-06-07T17:00:00+00:00",
      "product_status:fixed": "26",
      "product_status:known_affected": "5",
      "product_status:known_not_affected": "226",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "shim: Buffer overflow when loading crafted EFI images",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-28737.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-10-16T14:48:40Z",
      "cve": "CVE-2022-28737",
      "id": "CVE-2022-28737",
      "initial_release_date": "2023-02-15T03:26:29Z",
      "product_status:known_affected": "294",
      "product_status:recommended": "187",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2022-28737",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2022-28737.json",
      "version": "66"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-03T06:03:52.700Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "tags": [
                  "mailing-list",
                  "x_transferred"
                ],
                "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
              },
              {
                "tags": [
                  "issue-tracking",
                  "x_transferred"
                ],
                "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "affected": [
              {
                "cpes": [
                  "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*"
                ],
                "defaultStatus": "unknown",
                "product": "shim",
                "vendor": "redhat",
                "versions": [
                  {
                    "lessThan": "15.6",
                    "status": "affected",
                    "version": "0",
                    "versionType": "semver"
                  }
                ]
              }
            ],
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2022-28737",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-10-22T13:15:51.434701Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2024-10-22T13:17:06.438Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "packageName": "shim",
              "platforms": [
                "Linux"
              ],
              "product": "shim",
              "repo": "https://github.com/rhboot/shim/",
              "vendor": "Red Hat Bootloader Team",
              "versions": [
                {
                  "lessThan": "15.6",
                  "status": "affected",
                  "version": "0",
                  "versionType": "semver"
                }
              ]
            }
          ],
          "credits": [
            {
              "lang": "en",
              "type": "finder",
              "value": "Chris Coulson"
            }
          ],
          "datePublic": "2022-06-13T00:00:00.000Z",
          "descriptions": [
            {
              "lang": "en",
              "value": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables; The handle_image() function takes into account the SizeOfRawData field from each section to be loaded. An attacker can leverage this to perform out-of-bound writes into memory. Arbitrary code execution is not discarded in such scenario."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 6.5,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "HIGH",
                "scope": "UNCHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "format": "CVSS"
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-07-20T15:38:14.142Z",
            "orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
            "shortName": "canonical"
          },
          "references": [
            {
              "tags": [
                "mailing-list"
              ],
              "url": "https://www.openwall.com/lists/oss-security/2022/06/07/5"
            },
            {
              "tags": [
                "issue-tracking"
              ],
              "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28737"
            }
          ],
          "title": "There\u0027s a possible overflow in handle_image() when shim tries to load and execute crafted EFI executables"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
        "assignerShortName": "canonical",
        "cveId": "CVE-2022-28737",
        "datePublished": "2023-07-20T00:26:15.627Z",
        "dateReserved": "2022-04-05T21:59:08.761Z",
        "dateUpdated": "2024-10-22T13:17:50.789Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.