CVE-2019-18889 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Severity

98%

Complexity

39%

Confidentiality

98%

An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.

An issue was discovered in Symfony 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. Serializing certain cache adapter interfaces could result in remote code injection. This is related to symfony/cache.

CVSS 3.1 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 5 years ago

2019-11-21 23:15:00

Last updated 5 years ago

2019-12-03 01:51:00

Affected Software

Fedora 31

31

References

https://github.com/symfony/symfony/releases/tag/v4.3.8

Release Notes

FEDORA-2019-8b0ba02338

Third Party Advisory

https://symfony.com/blog/cve-2019-18889-forbid-serializing-abstractadapter-and-tagawareadapter-instances

Vendor Advisory

https://symfony.com/blog/symfony-4-3-8-released

Release Notes

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