Drupal Core Insufficient Contextual Links validation leads to Remote Code Execution
The advisory, in context
The Contextual Links module doesn't sufficiently validate the requested contextual links. This vulnerability is mitigated by the fact that an attacker must have a role with the permission "access contextual links".
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.
From 8.0.0 before 8.5.8
Fixed in 8.5.8
73 explicitly affected versions
8.0.0, 8.0.1, 8.0.2, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.1.0, 8.1.0-beta1, 8.1.0-beta2, 8.1.0-rc1, 8.1.1, 8.1.10, 8.1.2, 8.1.3, 8.1.4, 8.1.5, 8.1.6, 8.1.7, 8.1.8, 8.1.9, 8.2.0, 8.2.0-beta1, 8.2.0-beta2, 8.2.0-beta3, 8.2.0-rc1, 8.2.0-rc2, 8.2.1, 8.2.2, 8.2.3, 8.2.4, 8.2.5, 8.2.6, 8.2.7, 8.2.8, 8.3.0, 8.3.0-alpha1, 8.3.0-beta1, 8.3.0-rc1, 8.3.0-rc2, 8.3.1, 8.3.2, 8.3.3, 8.3.4, 8.3.5, 8.3.6, 8.3.7, 8.3.8, 8.3.9, 8.4.0, 8.4.0-alpha1, 8.4.0-beta1, 8.4.0-rc1, 8.4.0-rc2, 8.4.1, 8.4.2, 8.4.3, 8.4.4, 8.4.5, 8.4.6, 8.4.7, 8.4.8, 8.5.0, 8.5.0-alpha1, 8.5.0-beta1, 8.5.0-rc1, 8.5.1, 8.5.2, 8.5.3, 8.5.4, 8.5.5, 8.5.6, 8.5.7
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.5.8"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8.0.0",
"8.0.1",
"8.0.2",
"8.0.3",
"8.0.4",
"8.0.5",
"8.0.6",
"8.1.0",
"8.1.0-beta1",
"8.1.0-beta2",
"8.1.0-rc1",
"8.1.1",
"8.1.10",
"8.1.2",
"8.1.3",
"8.1.4",
"8.1.5",
"8.1.6",
"8.1.7",
"8.1.8",
"8.1.9",
"8.2.0",
"8.2.0-beta1",
"8.2.0-beta2",
"8.2.0-beta3",
"8.2.0-rc1",
"8.2.0-rc2",
"8.2.1",
"8.2.2",
"8.2.3",
"8.2.4",
"8.2.5",
"8.2.6",
"8.2.7",
"8.2.8",
"8.3.0",
"8.3.0-alpha1",
"8.3.0-beta1",
"8.3.0-rc1",
"8.3.0-rc2",
"8.3.1",
"8.3.2",
"8.3.3",
"8.3.4",
"8.3.5",
"8.3.6",
"8.3.7",
"8.3.8",
"8.3.9",
"8.4.0",
"8.4.0-alpha1",
"8.4.0-beta1",
"8.4.0-rc1",
"8.4.0-rc2",
"8.4.1",
"8.4.2",
"8.4.3",
"8.4.4",
"8.4.5",
"8.4.6",
"8.4.7",
"8.4.8",
"8.5.0",
"8.5.0-alpha1",
"8.5.0-beta1",
"8.5.0-rc1",
"8.5.1",
"8.5.2",
"8.5.3",
"8.5.4",
"8.5.5",
"8.5.6",
"8.5.7"
]
}From 8.6.0 before 8.6.2
Fixed in 8.6.2
2 explicitly affected versions
8.6.0, 8.6.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "8.6.0"
},
{
"fixed": "8.6.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8.6.0",
"8.6.1"
]
}