Drupal core unrestricted file upload
The advisory, in context
Drupal 8 core's file_save_upload() function does not strip the leading and trailing dot ('.') from filenames, like Drupal 7 did.
Users with the ability to upload files with any extension in conjunction with contributed modules may be able to use this to upload system files such as .htaccess in order to bypass protections afforded by Drupal's default .htaccess file.
After this fix, file_save_upload() now trims leading and trailing dots from filenames.
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 8.7.11
Fixed in 8.7.11
120 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, 8.5.10, 8.5.11, 8.5.12, 8.5.13, 8.5.14, 8.5.15, 8.5.2, 8.5.3, 8.5.4, 8.5.5, 8.5.6, 8.5.7, 8.5.8, 8.5.9, 8.6.0, 8.6.0-alpha1, 8.6.0-beta1, 8.6.0-beta2, 8.6.0-rc1, 8.6.1, 8.6.10, 8.6.11, 8.6.12, 8.6.13, 8.6.14, 8.6.15, 8.6.16, 8.6.17, 8.6.18, 8.6.2, 8.6.3, 8.6.4, 8.6.5, 8.6.6, 8.6.7, 8.6.8, 8.6.9, 8.7.0, 8.7.0-alpha1, 8.7.0-alpha2, 8.7.0-beta1, 8.7.0-beta2, 8.7.0-rc1, 8.7.1, 8.7.10, 8.7.2, 8.7.3, 8.7.4, 8.7.5, 8.7.6, 8.7.7, 8.7.8, 8.7.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "8.0.0"
},
{
"fixed": "8.7.11"
}
],
"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",
"8.5.10",
"8.5.11",
"8.5.12",
"8.5.13",
"8.5.14",
"8.5.15",
"8.5.2",
"8.5.3",
"8.5.4",
"8.5.5",
"8.5.6",
"8.5.7",
"8.5.8",
"8.5.9",
"8.6.0",
"8.6.0-alpha1",
"8.6.0-beta1",
"8.6.0-beta2",
"8.6.0-rc1",
"8.6.1",
"8.6.10",
"8.6.11",
"8.6.12",
"8.6.13",
"8.6.14",
"8.6.15",
"8.6.16",
"8.6.17",
"8.6.18",
"8.6.2",
"8.6.3",
"8.6.4",
"8.6.5",
"8.6.6",
"8.6.7",
"8.6.8",
"8.6.9",
"8.7.0",
"8.7.0-alpha1",
"8.7.0-alpha2",
"8.7.0-beta1",
"8.7.0-beta2",
"8.7.0-rc1",
"8.7.1",
"8.7.10",
"8.7.2",
"8.7.3",
"8.7.4",
"8.7.5",
"8.7.6",
"8.7.7",
"8.7.8",
"8.7.9"
]
}From 8.8.0 before 8.8.1
Fixed in 8.8.1
1 explicitly affected versions
8.8.0
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "8.8.0"
},
{
"fixed": "8.8.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"8.8.0"
]
}