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CVE-2019-18888

Published: 21 November 2019

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).

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
symfony
Launchpad, Ubuntu, Debian
bionic Needed

disco Ignored
(end of life)
eoan Ignored
(end of life)
focal Not vulnerable
(4.3.8+dfsg-1ubuntu1)
trusty Does not exist

upstream
Released (4.3.8+dfsg-1)
impish Not vulnerable
(4.3.8+dfsg-1ubuntu1)
groovy Not vulnerable
(4.3.8+dfsg-1ubuntu1)
hirsute Not vulnerable
(4.3.8+dfsg-1ubuntu1)
xenial Needed

kinetic Not vulnerable
(4.3.8+dfsg-1ubuntu1)
lunar Not vulnerable
(4.3.8+dfsg-1ubuntu1)
jammy Not vulnerable
(4.3.8+dfsg-1ubuntu1)
mantic Not vulnerable
(4.3.8+dfsg-1ubuntu1)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N