CVE-2019-11325
CRITICAL severity · CVSS 9.8 · CWE-116
9.8CVSS CRITICAL
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 ↗
Additional information
- NVD record
- https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch
- https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch
- https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterAdvisory
- https://symfony.com/blog/symfony-4-3-8-releasedAdvisory
- https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterAdvisory
- https://symfony.com/blog/symfony-4-3-8-releasedAdvisory
- https://github.com/symfony/symfony/releases/tag/v4.3.8Advisory
- https://github.com/symfony/symfony/releases/tag/v4.3.8Advisory