Vulnerability Monitor

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CVE-2019-11325

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.

Published

2019-11-21T23:15:13.297

Last Modified

2024-11-21T04:20:53.507

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Primary
CWE-116

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	sensiolabs	symfony	< 4.2.12	Yes
Application	sensiolabs	symfony	< 4.3.8	Yes

References

https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes, Third Party Advisory ([email protected])
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 Patch, Third Party Advisory ([email protected])
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter Vendor Advisory ([email protected])
https://symfony.com/blog/symfony-4-3-8-released Release Notes, Vendor Advisory ([email protected])
https://github.com/symfony/symfony/releases/tag/v4.3.8 Release Notes, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/symfony/var-exporter/compare/d8bf442...57e00f3 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://symfony.com/blog/cve-2019-11325-fix-escaping-of-strings-in-varexporter Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://symfony.com/blog/symfony-4-3-8-released Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)