CVE-2020-1493 (GCVE-0-2020-1493)

Vulnerability from cvelistv5 – Published: 2020-08-17 00:00 – Updated: 2024-08-04 06:39
VLAI?
Summary
An information disclosure vulnerability exists when attaching files to Outlook messages. This vulnerability could potentially allow users to share attached files such that they are accessible by anonymous users where they should be restricted to specific users. To exploit this vulnerability, an attacker would have to attach a file as a link to an email. The email could then be shared with individuals that should not have access to the files, ignoring the default organizational setting. The security update addresses the vulnerability by correcting how Outlook handles file attachment links.
CWE
  • Information Disclosure
Assigner
Impacted products
Vendor Product Version
Microsoft Microsoft Office 2019 Affected: 19.0.0 , < https://aka.ms/OfficeSecurityReleases (custom)
    cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
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    Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
    cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Create a notification for this product.
    Microsoft Microsoft Outlook 2016 Affected: 16.0.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:x86:*:*
    cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:x64:*:*
Create a notification for this product.
    Microsoft Microsoft Outlook 2013 Service Pack 1 Affected: 15.0.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:x86:*:*
    cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:*:x64:*
    cpe:2.3:a:microsoft:outlook:2013:*:*:*:rt:*:*:*
Create a notification for this product.
    Microsoft Microsoft Outlook 2010 Service Pack 2 Affected: 13.0.0.0 , < publication (custom)
    cpe:2.3:a:microsoft:outlook:2010:sp2:*:*:*:*:*:*
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Show details on NVD website

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      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1493\", \"tags\": [\"x_transferred\"]}, {\"url\": \"http://packetstormsecurity.com/files/169960/Microsoft-Outlook-2019-16.0.12624.20424-Out-Of-Bounds-Read.html\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T06:39:10.465Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"REQUIRED\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2020-1493\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-06-03T20:23:10.482705Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-922\", \"description\": \"CWE-922 Insecure Storage of Sensitive Information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-06-03T20:28:52.732Z\"}}], \"cna\": {\"title\": \"Microsoft Outlook Information Disclosure Vulnerability\", \"affected\": [{\"cpes\": [\"cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Microsoft Office 2019\", \"versions\": [{\"status\": \"affected\", \"version\": \"19.0.0\", \"lessThan\": \"https://aka.ms/OfficeSecurityReleases\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Microsoft 365 Apps for Enterprise\", \"versions\": [{\"status\": \"affected\", \"version\": \"16.0.1\", \"lessThan\": \"https://aka.ms/OfficeSecurityReleases\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:x86:*:*\", \"cpe:2.3:a:microsoft:outlook:2016:*:*:*:*:x64:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Microsoft Outlook 2016\", \"versions\": [{\"status\": \"affected\", \"version\": \"16.0.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:x86:*:*\", \"cpe:2.3:a:microsoft:outlook:2013:*:*:*:*:*:x64:*\", \"cpe:2.3:a:microsoft:outlook:2013:*:*:*:rt:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Microsoft Outlook 2013 Service Pack 1\", \"versions\": [{\"status\": \"affected\", \"version\": \"15.0.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\", \"ARM64-based Systems\"]}, {\"cpes\": [\"cpe:2.3:a:microsoft:outlook:2010:sp2:*:*:*:*:*:*\"], \"vendor\": \"Microsoft\", \"product\": \"Microsoft Outlook 2010 Service Pack 2\", \"versions\": [{\"status\": \"affected\", \"version\": \"13.0.0.0\", \"lessThan\": \"publication\", \"versionType\": \"custom\"}], \"platforms\": [\"32-bit Systems\", \"x64-based Systems\"]}], \"datePublic\": \"2020-08-11T07:00:00+00:00\", \"references\": [{\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1493\"}, {\"url\": \"http://packetstormsecurity.com/files/169960/Microsoft-Outlook-2019-16.0.12624.20424-Out-Of-Bounds-Read.html\"}], \"descriptions\": [{\"lang\": \"en-US\", \"value\": \"An information disclosure vulnerability exists when attaching files to Outlook messages. This vulnerability could potentially allow users to share attached files such that they are accessible by anonymous users where they should be restricted to specific users.\\nTo exploit this vulnerability, an attacker would have to attach a file as a link to an email. The email could then be shared with individuals that should not have access to the files, ignoring the default organizational setting.\\nThe security update addresses the vulnerability by correcting how Outlook handles file attachment links.\\n\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en-US\", \"type\": \"Impact\", \"description\": \"Information Disclosure\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2024-05-29T16:32:59.499Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2020-1493\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-08-04T06:39:10.465Z\", \"dateReserved\": \"2019-11-04T00:00:00\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2020-08-17T00:00:00\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.


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