CVE-2023-41991
Vulnerability from cvelistv5
Published
2023-09-21 18:23
Modified
2024-08-02 19:16
Severity ?
Summary
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
Impacted products
AppleiOS and iPadOS
ApplemacOS
CISA Known exploited vulnerability
Data from the Known Exploited Vulnerabilities Catalog

Date added: 2023-09-25

Due date: 2023-10-16

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Used in ransomware: Unknown

Notes: https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213928, https://support.apple.com/en-us/HT213929, https://support.apple.com/en-us/HT213931 ; https://nvd.nist.gov/vuln/detail/CVE-2023-41991

Show details on NVD website


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        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.apple.com/en-us/HT213927"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.apple.com/en-us/HT213931"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "iOS and iPadOS",
          "vendor": "Apple",
          "versions": [
            {
              "lessThan": "16.7",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "macOS",
          "vendor": "Apple",
          "versions": [
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              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.",
              "lang": "en"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-10T22:03:18.435Z",
        "orgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
        "shortName": "apple"
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      "references": [
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          "url": "https://support.apple.com/en-us/HT213927"
        },
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          "url": "https://support.apple.com/en-us/HT213931"
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  "cveMetadata": {
    "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c",
    "assignerShortName": "apple",
    "cveId": "CVE-2023-41991",
    "datePublished": "2023-09-21T18:23:48.974Z",
    "dateReserved": "2023-09-06T17:40:06.142Z",
    "dateUpdated": "2024-08-02T19:16:49.649Z",
    "state": "PUBLISHED"
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      "cwes": "[\"CWE-295\"]",
      "dateAdded": "2023-09-25",
      "dueDate": "2023-10-16",
      "knownRansomwareCampaignUse": "Unknown",
      "notes": "https://support.apple.com/en-us/HT213926, https://support.apple.com/en-us/HT213927, https://support.apple.com/en-us/HT213928, https://support.apple.com/en-us/HT213929, https://support.apple.com/en-us/HT213931 ;  https://nvd.nist.gov/vuln/detail/CVE-2023-41991",
      "product": "Multiple Products",
      "requiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.",
      "shortDescription": "Apple iOS, iPadOS, macOS, and watchOS contain an improper certificate validation vulnerability that can allow a malicious app to bypass signature validation.",
      "vendorProject": "Apple",
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    },
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  }
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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