CVE-2018-19277: XXE in PHPSpreadsheet due to encoding issue

CVE-2018-19277 · Severity: low · CVSS 3.1 · Published 2019-11-20

XXE in PHPSpreadsheet due to encoding issue

Technologies: phpoffice/phpexcel (Packagist), phpoffice/phpspreadsheet (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2018-19277 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2018-19277 being exploited in the wild.
How severe is CVE-2018-19277?
Low severity, with a CVSS score of 3.1, published 20 November 2019.
Which products and versions are affected?
phpoffice/phpexcel (Packagist) ECOSYSTEM:introduced=0,fixed=1.8.2; phpoffice/phpspreadsheet (Packagist) ECOSYSTEM:introduced=0,fixed=1.5.1.
Is there a fix for CVE-2018-19277?
Yes. phpoffice/phpexcel (Packagist): upgrade to 1.8.2 or later; phpoffice/phpspreadsheet (Packagist): upgrade to 1.5.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2018-19277?
Check whether you run phpoffice/phpexcel (Packagist) or phpoffice/phpspreadsheet (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • phpoffice/phpexcel (Packagist): upgrade to 1.8.2 or later
    composer require phpoffice/phpexcel:^1.8.2
  • phpoffice/phpspreadsheet (Packagist): upgrade to 1.5.1 or later
    composer require phpoffice/phpspreadsheet:^1.5.1

Affected products

  • phpoffice/phpexcel (Packagist) ECOSYSTEM:introduced=0,fixed=1.8.2
  • phpoffice/phpspreadsheet (Packagist) ECOSYSTEM:introduced=0,fixed=1.5.1

Identifiers

  • CVE-2018-19277
  • GHSA-xcrg-29h7-h4cj

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