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Argument injection in a MimeTypeGuesser in Symfony

High severity GitHub Reviewed Published Dec 2, 2019 to the GitHub Advisory Database • Updated Feb 1, 2024

Package

composer symfony/http-foundation (Composer)

Affected versions

>= 2.0.0, < 2.8.52
>= 3.0.0, < 3.4.35
>= 4.0.0, < 4.2.12
>= 4.3.0, < 4.3.8

Patched versions

2.8.52
3.4.35
4.2.12
4.3.8
composer symfony/mime (Composer)
>= 4.3.0, < 4.3.8
4.3.8
composer symfony/symfony (Composer)
>= 2.0.0, < 2.8.52
>= 3.0.0, < 3.4.35
>= 4.0.0, < 4.2.12
>= 4.3.0, < 4.3.8
2.8.52
3.4.35
4.2.12
4.3.8

Description

An issue was discovered in Symfony 2.8.0 through 2.8.50, 3.4.0 through 3.4.34, 4.2.0 through 4.2.11, and 4.3.0 through 4.3.7. If an application passes unvalidated user input as the file for which MIME type validation should occur, then arbitrary arguments are passed to the underlying file command. This is related to symfony/http-foundation (and symfony/mime in 4.3.x).

References

Published by the National Vulnerability Database Nov 21, 2019
Reviewed Dec 1, 2019
Published to the GitHub Advisory Database Dec 2, 2019
Last updated Feb 1, 2024

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVE ID

CVE-2019-18888

GHSA ID

GHSA-xhh6-956q-4q69

Source code

No known source code
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