GSD-2018-9840

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.
Aliases
Aliases
CVE-2018-9840
To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-9840",
    "description": "The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.",
    "id": "GSD-2018-9840"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-9840"
      ],
      "details": "The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.",
      "id": "GSD-2018-9840",
      "modified": "2023-12-13T01:22:33.879224Z",
      "schema_version": "1.4.0"
    }
  },
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      "affects": {
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              "product": {
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                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
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                "value": "n/a"
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      "references": {
        "reference_data": [
          {
            "name": "https://github.com/signalapp/Signal-iOS/commit/018a35df7b42b4941cb4dfc9f462b37c3fafd9e9",
            "refsource": "MISC",
            "url": "https://github.com/signalapp/Signal-iOS/commit/018a35df7b42b4941cb4dfc9f462b37c3fafd9e9"
          },
          {
            "name": "https://github.com/signalapp/Signal-iOS/commits/release/2.23.2",
            "refsource": "MISC",
            "url": "https://github.com/signalapp/Signal-iOS/commits/release/2.23.2"
          },
          {
            "name": "http://nint.en.do/Signal-Bypass-Screen-locker.php",
            "refsource": "MISC",
            "url": "http://nint.en.do/Signal-Bypass-Screen-locker.php"
          }
        ]
      }
    },
    "nvd.nist.gov": {
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        "nodes": [
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            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:signal:signal:*:*:*:*:*:iphone_os:*:*",
                "cpe_name": [],
                "versionEndExcluding": "2.23.2",
                "vulnerable": true
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        "description": {
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              "value": "The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/signalapp/Signal-iOS/commits/release/2.23.2",
              "refsource": "MISC",
              "tags": [
                "Issue Tracking",
                "Patch",
                "Third Party Advisory"
              ],
              "url": "https://github.com/signalapp/Signal-iOS/commits/release/2.23.2"
            },
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            },
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              "name": "http://nint.en.do/Signal-Bypass-Screen-locker.php",
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              "tags": [
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              "url": "http://nint.en.do/Signal-Bypass-Screen-locker.php"
            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 0.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2019-10-03T00:03Z",
      "publishedDate": "2018-04-10T05:29Z"
    }
  }
}


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