PT-2024-40376 · Symfony · Symfony

Published 2024-05-30 · Updated 2024-05-30

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Symfony versions 2.0.x

Description The issue concerns the XMLEncoder component's failure to disable external entities when parsing XML, allowing for the inclusion of arbitrary files from the file system. This can be exploited in the Symfony2 framework where the XML class is used for deserialization or as part of a client/server API.

Recommendations For Symfony version 2.0.x, consider disabling the use of external entities in the XMLEncoder component until a patch is available. Restrict access to sensitive files and directories to minimize the risk of exploitation.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

GHSA-MMCV-FVQ8-R9X3

Affected Products

Symfony

References · 5

• https://osv.dev/vulnerability/GHSA-mmcv-fvq8-r9x3 · Vendor Advisory
• https://github.com/symfony/symfony · Note
• https://github.com/symfony/symfony/commit/3e64d36cbdc34acaa82e0e6318112cd2eacb6fec · Note
• https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/2012-02-24.yaml · Note
• https://symfony.com/blog/security-release-symfony-2-0-11-released · Note