cve-2019-9853
Vulnerability from cvelistv5
Published
2019-09-27 15:07
Modified
2024-09-16 17:17
Severity ?
Summary
LibreOffice documents can contain macros. The execution of those macros is controlled by the document security settings, typically execution of macros are blocked by default. A URL decoding flaw existed in how the urls to the macros within the document were processed and categorized, resulting in the possibility to construct a document where macro execution bypassed the security settings. The documents were correctly detected as containing macros, and prompted the user to their existence within the documents, but macros within the document were subsequently not controlled by the security settings allowing arbitrary macro execution This issue affects: LibreOffice 6.2 series versions prior to 6.2.7; LibreOffice 6.3 series versions prior to 6.3.1.
References
security@documentfoundation.orghttp://lists.opensuse.org/opensuse-security-announce/2019-12/msg00040.html
security@documentfoundation.orghttp://packetstormsecurity.com/files/156474/Open-Xchange-App-Suite-Documents-Server-Side-Request-Forgery.html
security@documentfoundation.orghttp://seclists.org/fulldisclosure/2020/Feb/23
security@documentfoundation.orghttps://lists.apache.org/thread.html/19c917f7c8a0d8f62142046fabfe3e2c7d6091ef1f92b99c6e79e24e%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/27339e8a9a1e9bb47fbdb939b338256d0356250a1974aaf4d774f683%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/306a374361891eb17c6cffc99c3d7be1d3152a99c839d4231edc1631%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/3a5570ca5cd14ad08e24684c71cfeff3a507f108fe3cf30ba4f58226%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/4ae0e6e52600f408d943ded079d314733ce188b04b04471464f89c4f%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/70da9481dca267405e1d79e53942264765ef3f55c9a563c3737e3926%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/7394e6b5f78a878bd0c44e9bc9adf90b8cdf49e9adc0f287145aba9b%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/9dc85d9937ad7f101047c53f78c00e8ceb135eaeff7dcf4724b46f2c%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/a5231ad45b030b54828c7b0b62a7e7d4b48481c7cb83ff628e07fa43%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/a540d1b6f9a7ebb206adba02839f654a6ee63a7b0976f559a847e49a%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.apache.org/thread.html/ca216900abd846f0220fe18b95f9f787bdbe0e87fa4eee822073cd69%40%3Ccommits.openoffice.apache.org%3E
security@documentfoundation.orghttps://lists.debian.org/debian-lts-announce/2019/10/msg00005.html
security@documentfoundation.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQGBRSD73KTDZ2MPAOL7FBWO3SQVYE5B/
security@documentfoundation.orghttps://www.libreoffice.org/about-us/security/advisories/CVE-2019-9853/Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00040.html
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/156474/Open-Xchange-App-Suite-Documents-Server-Side-Request-Forgery.html
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2020/Feb/23
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/19c917f7c8a0d8f62142046fabfe3e2c7d6091ef1f92b99c6e79e24e%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/27339e8a9a1e9bb47fbdb939b338256d0356250a1974aaf4d774f683%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/306a374361891eb17c6cffc99c3d7be1d3152a99c839d4231edc1631%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/3a5570ca5cd14ad08e24684c71cfeff3a507f108fe3cf30ba4f58226%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/4ae0e6e52600f408d943ded079d314733ce188b04b04471464f89c4f%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/70da9481dca267405e1d79e53942264765ef3f55c9a563c3737e3926%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/7394e6b5f78a878bd0c44e9bc9adf90b8cdf49e9adc0f287145aba9b%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/9dc85d9937ad7f101047c53f78c00e8ceb135eaeff7dcf4724b46f2c%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/a5231ad45b030b54828c7b0b62a7e7d4b48481c7cb83ff628e07fa43%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/a540d1b6f9a7ebb206adba02839f654a6ee63a7b0976f559a847e49a%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/ca216900abd846f0220fe18b95f9f787bdbe0e87fa4eee822073cd69%40%3Ccommits.openoffice.apache.org%3E
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KQGBRSD73KTDZ2MPAOL7FBWO3SQVYE5B/
af854a3a-2127-422b-91ae-364da2661108https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9853/Vendor Advisory
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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        "title": "CVE Program Container"
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    "cna": {
      "affected": [
        {
          "product": "LibreOffice",
          "vendor": "Document Foundation",
          "versions": [
            {
              "lessThan": "6.2.7",
              "status": "affected",
              "version": "6.2 series",
              "versionType": "custom"
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      "credits": [
        {
          "lang": "en",
          "value": "Thanks to Nils Emmerich of ERNW Research GmbH for discovering and reporting this issue"
        }
      ],
      "datePublic": "2019-09-27T00:00:00",
      "descriptions": [
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          "lang": "en",
          "value": "LibreOffice documents can contain macros. The execution of those macros is controlled by the document security settings, typically execution of macros are blocked by default. A URL decoding flaw existed in how the urls to the macros within the document were processed and categorized, resulting in the possibility to construct a document where macro execution bypassed the security settings. The documents were correctly detected as containing macros, and prompted the user to their existence within the documents, but macros within the document were subsequently not controlled by the security settings allowing arbitrary macro execution This issue affects: LibreOffice 6.2 series versions prior to 6.2.7; LibreOffice 6.3 series versions prior to 6.3.1."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-116",
              "description": "CWE-116 Improper Encoding or Escaping of Output",
              "lang": "en",
              "type": "CWE"
            }
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          "name": "[openoffice-commits] 20191124 svn commit: r1870324 - /openoffice/ooo-site/trunk/content/security/cves/CVE-2019-9853.html",
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          "name": "[openoffice-commits] 20191124 svn commit: r1870337 - in /openoffice/ooo-site/trunk/content/security/cves: CVE-2019-9853.html CVE-XXXX-YYYY.html",
          "tags": [
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          ],
          "url": "https://lists.apache.org/thread.html/ca216900abd846f0220fe18b95f9f787bdbe0e87fa4eee822073cd69%40%3Ccommits.openoffice.apache.org%3E"
        },
        {
          "name": "[openoffice-commits] 20191124 svn commit: r1053270 - in /websites/staging/ooo-site/trunk: cgi-bin/ content/ content/security/cves/CVE-2019-9853.html content/security/cves/CVE-XXXX-YYYY.html",
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        },
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          "name": "[openoffice-commits] 20191124 svn commit: r1053271 - in /websites/staging/ooo-site/trunk: cgi-bin/ content/ content/security/cves/CVE-2019-9853.html content/security/cves/CVE-XXXX-YYYY.html",
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        },
        {
          "name": "[openoffice-commits] 20191124 svn commit: r1870336 - in /openoffice/ooo-site/trunk/content/security/cves: CVE-2019-9853.html CVE-XXXX-YYYY.html",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
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        },
        {
          "name": "openSUSE-SU-2019:2709",
          "tags": [
            "vendor-advisory",
            "x_refsource_SUSE"
          ],
          "url": "http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00040.html"
        },
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        "discovery": "EXTERNAL"
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      "title": "Insufficient URL decoding flaw in categorizing macro location",
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    "cveId": "CVE-2019-9853",
    "datePublished": "2019-09-27T15:07:40.492574Z",
    "dateReserved": "2019-03-17T00:00:00",
    "dateUpdated": "2024-09-16T17:17:42.379Z",
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Los documentos fueron detectados correctamente como que conten\u00edan macros e incitaron al usuario a su existencia dentro de los documentos, pero las macros dentro del documento no fueron controladas posteriormente por la configuraci\u00f3n de seguridad lo que permit\u00eda la ejecuci\u00f3n arbitraria de macros. 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Advisory\"]}]}}"
  }
}


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