First published: Wed Nov 14 2018(Updated: )
securityScan() in PHPOffice PhpSpreadsheet through 1.5.0 allows a bypass of protection mechanisms for XXE via UTF-7 encoding in a .xlsx file
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
composer/phpoffice/phpexcel | <1.8.0 | |
composer/phpoffice/phpspreadsheet | <=1.5.0 | |
composer/phpoffice/phpspreadsheet | <1.5.1 | 1.5.1 |
PhpSpreadsheet | <=1.5.0 | |
PhpSpreadsheet project PhpSpreadsheet | <=1.5.0 |
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CVE-2018-19277 is considered a medium severity vulnerability due to its potential for bypassing protection mechanisms.
To fix CVE-2018-19277, you should upgrade to PhpSpreadsheet version 1.5.1 or higher.
CVE-2018-19277 affects PhpSpreadsheet versions up to and including 1.5.0.
CVE-2018-19277 is an XML External Entity (XXE) vulnerability.
Yes, CVE-2018-19277 can be exploited by using specially crafted .xlsx files containing UTF-7 encoded data.