Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are not properly verifying edit check permissions on WebDAV copy actions. The WebDAV endpoint was not properly checking the permission on a WebDAV COPY action. This allowed an authenticated attacker with access to a read-only share to put new files in there. It was not possible to modify existing files.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"range": [
{
"fixed": "9.0.4"
}
],
"source": "CPE_RANGE"
}
],
"vendor_product": "owncloud:owncloud"
}
]
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "9.0.52"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "3491400261c1454a9a30d3ec96969573330120cc"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "9.0.4"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "0622e635d97cb17c5e1363e370bb8268cc3d2547"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "121a3304a0c37ccda0e1b63ddc528cba9121a36e"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "acbbadb71ceee7f01da347f7dcd519beda78cc47"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "c0a4b7b3f38ad2eaf506484b3b92ec678cb021c9"
}
],
"source": "REFERENCES_COMMIT"
}
]
}