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Security Advisories: GSA_kwCzR0hTQS1jMmY5LTRqbW0tdjQ1bc4AA5zD

Shopware's session is persistent in Cache for 404 pages

Impact

The Symfony Session Handler, pop's the Session Cookie and assign it to the Response. Since Shopware 6.5.8.0 the 404 pages, are cached, to improve the performance of 404 pages. So the cached Response, contains a Session Cookie when the Browser accessing the 404 page, has no cookies yet. The Symfony Session Handler is in use, when no explicit Session configuration has been done.
When Redis is in use for Sessions using the PHP Redis extension, this exploiting code is not used.

Patches

Update to Shopware version 6.5.8.7

Workarounds

Using Redis for Sessions, as this does not trigger the exploit code. Example configuration for Redis

# php.ini
session.save_handler = redis
session.save_path = "tcp://127.0.0.1:6379"

Consequences

As an guest browser session has been cached on a 404 page, every missing image or directly reaching a 404 page will logout the customer or clear his cart.

Permalink: https://github.com/advisories/GHSA-c2f9-4jmm-v45m
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1jMmY5LTRqbW0tdjQ1bc4AA5zD
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: about 2 months ago
Updated: about 2 months ago


Identifiers: GHSA-c2f9-4jmm-v45m, CVE-2024-27917
References: Repository: https://github.com/shopware/shopware
Blast Radius: 0.0

Affected Packages

packagist:shopware/platform
Dependent packages: 6
Dependent repositories: 38
Downloads: 1,110,329 total
Affected Version Ranges: >= 6.5.8.0, < 6.5.8.7
Fixed in: 6.5.8.7
All affected versions:
All unaffected versions: 5.3.1, 6.0.0, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.2.0, 6.2.1, 6.2.2, 6.2.3
packagist:shopware/storefront
Dependent packages: 66
Dependent repositories: 127
Downloads: 1,865,252 total
Affected Version Ranges: >= 6.5.8.0, < 6.5.8.7
Fixed in: 6.5.8.7
All affected versions:
All unaffected versions: 6.0.0, 6.1.0, 6.1.1, 6.1.2, 6.1.3, 6.1.4, 6.1.5, 6.1.6, 6.2.0, 6.2.1, 6.2.2, 6.2.3