{"id":"CVE-2019-9852","state":"PUBLISHED","title":"Insufficient URL encoding flaw in allowed script location check","description":"LibreOffice has a feature where documents can specify that pre-installed macros can be executed on various script events such as mouse-over, document-open etc. Access is intended to be restricted to scripts under the share/Scripts/python, user/Scripts/python sub-directories of the LibreOffice install. Protection was added, to address CVE-2018-16858, to avoid a directory traversal attack where scripts in arbitrary locations on the file system could be executed. However this new protection could be bypassed by a URL encoding attack. In the fixed versions, the parsed url describing the script location is correctly encoded before further processing. This issue affects: Document Foundation LibreOffice versions prior to 6.2.6.","publishedAt":"2019-08-15T21:40:18.556Z","updatedAt":"2024-09-17T03:42:47.414Z","severity":null,"assigner":"Document Fdn.","products":["Document Foundation LibreOffice"],"affected":[{"vendor":"Document Foundation","product":"LibreOffice","versions":[{"version":"unspecified","status":"affected","lessThan":"6.2.6","versionType":"custom"}]}],"references":["https://www.libreoffice.org/about-us/security/advisories/CVE-2019-9852","https://seclists.org/bugtraq/2019/Aug/28","https://www.debian.org/security/2019/dsa-4501","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMEGUWMWORC3DOVEHVXLFT3A5RSCMLBH/","https://usn.ubuntu.com/4102-1/","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00006.html","https://seclists.org/bugtraq/2019/Sep/17","http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00067.html","https://lists.debian.org/debian-lts-announce/2019/10/msg00005.html"],"weaknesses":["CWE-116"],"ingestedAt":"2026-10-29T19:46:15.253Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2019/9xxx/CVE-2019-9852.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2019-9852","state":"PUBLISHED","datePublished":"2019-08-15T21:40:18.556Z","dateUpdated":"2024-09-17T03:42:47.414Z","assignerShortName":"Document Fdn.","assignerOrgId":"4fe7d05b-1353-44cc-8b7a-1e416936dff2","dateReserved":"2019-03-17T00:00:00.000Z"},"containers":{"cna":{"title":"Insufficient URL encoding flaw in allowed script location check","descriptions":[{"lang":"en","value":"LibreOffice has a feature where documents can specify that pre-installed macros can be executed on various script events such as mouse-over, document-open etc. Access is intended to be restricted to scripts under the share/Scripts/python, user/Scripts/python sub-directories of the LibreOffice install. Protection was added, to address CVE-2018-16858, to avoid a directory traversal attack where scripts in arbitrary locations on the file system could be executed. However this new protection could be bypassed by a URL encoding attack. In the fixed versions, the parsed url describing the script location is correctly encoded before further processing. 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