GHSA-mmcv-fvq8-r9x3critical9.8
Symfony XML decoding attack vector through external entities
No CVE assignedCheck your stack
The advisory, in context
The XMLEncoder component of Symfony 2.0.x fails to disable external entities when parsing XML. In the Symfony2 framework the XML class may be used to deserialize objects or as part of a client/server API. By using external entities it is possible to include arbitrary files from the file system.
Affected packages
Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.
symfony/symfony Packagist
Ecosystem versions
From 2.0.0 before 2.0.11
Fixed in 2.0.11
6 explicitly affected versions
2.0.4, 2.0.5, 2.0.6, 2.0.7, v2.0.10, v2.0.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.0.11"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.0.4",
"2.0.5",
"2.0.6",
"2.0.7",
"v2.0.10",
"v2.0.9"
]
}