CVE-2019-12331
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2019-12331
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-12331.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2019-12331
- Aliases
- Published
- 2019-11-07T15:15:10Z
- Modified
- 2024-09-04T20:04:22.514772Z
- Severity
-
- 8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
PHPOffice PhpSpreadsheet before 1.8.0 has an XXE issue. The XmlScanner decodes the sheet1.xml from an .xlsx to utf-8 if something else than UTF-8 is declared in the header. This was a security measurement to prevent CVE-2018-19277 but the fix is not sufficient. By double-encoding the the xml payload to utf-7 it is possible to bypass the check for the string ‚
- References