Improper Encoding or Escaping of Output The advisory has been revoked - it doesn't affect any version of package symfony (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-SYMFONY-644460
- published13 Nov 2019
- disclosed21 Nov 2019
Introduced: 13 Nov 2019
CVE-2019-11325 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream symfony package and not the symfony package as distributed by Ubuntu.
An issue was discovered in Symfony before 4.2.12 and 4.3.x before 4.3.8. The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code. This is related to symfony/var-exporter.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-11325
- https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter
- https://symfony.com/blog/symfony-4-3-8-released
- https://security-tracker.debian.org/tracker/CVE-2019-11325
- https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3
- https://github.com/symfony/symfony/releases/tag/v4.3.8