VulnerabilityModified
CVE-2019-11325
The VarExport component incorrectly escapes strings, allowing some specially crafted ones to escalate to execution of arbitrary PHP code.
CRITICAL 9.8EPSS 3.35%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.35% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-116
- Affected
- sensiolabs/symfony
- Source
- cve@mitre.org
References
- https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes, Third Party Advisory
- https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch, Third Party Advisory
- https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterVendor Advisory
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes, Vendor Advisory
- https://github.com/symfony/symfony/releases/tag/v4.3.8Release Notes, Third Party Advisory
- https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3Patch, Third Party Advisory
- https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporterVendor Advisory
- https://symfony.com/blog/symfony-4-3-8-releasedRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.