Magento 2 Community Edition Unsafe File Upload
The advisory, in context
A security bypass exists in Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2 that could be abused to execute arbitrary PHP code. An authenticated user can bypass security protections that prevent arbitrary PHP script upload via form data injection.
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 2.1.0 before 2.1.18
Fixed in 2.1.18
18 explicitly affected versions
2.1.0, 2.1.1, 2.1.10, 2.1.11, 2.1.12, 2.1.13, 2.1.14, 2.1.15, 2.1.16, 2.1.17, 2.1.2, 2.1.3, 2.1.4, 2.1.5, 2.1.6, 2.1.7, 2.1.8, 2.1.9
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "2.1.0"
},
{
"fixed": "2.1.18"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.1.0",
"2.1.1",
"2.1.10",
"2.1.11",
"2.1.12",
"2.1.13",
"2.1.14",
"2.1.15",
"2.1.16",
"2.1.17",
"2.1.2",
"2.1.3",
"2.1.4",
"2.1.5",
"2.1.6",
"2.1.7",
"2.1.8",
"2.1.9"
]
}From 2.2.0 before 2.2.9
Fixed in 2.2.9
9 explicitly affected versions
2.2.0, 2.2.1, 2.2.2, 2.2.3, 2.2.4, 2.2.5, 2.2.6, 2.2.7, 2.2.8
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "2.2.0"
},
{
"fixed": "2.2.9"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.2.0",
"2.2.1",
"2.2.2",
"2.2.3",
"2.2.4",
"2.2.5",
"2.2.6",
"2.2.7",
"2.2.8"
]
}From 2.3.0 before 2.3.2
Fixed in 2.3.2
2 explicitly affected versions
2.3.0, 2.3.1
View affected-version evidence
{
"ranges": [
{
"events": [
{
"introduced": "2.3.0"
},
{
"fixed": "2.3.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.3.0",
"2.3.1"
]
}References
- https://nvd.nist.gov/vuln/detail/CVE-2019-7871
- https://github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2019-7871.yaml
- https://github.com/magento/magento2
- https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13
- https://web.archive.org/web/20211206084839/https://magento.com/security/patches/magento-2.3.2-2.2.9-and-2.1.18-security-update-13