The password reset functionality in ownCloud Server before 8.1.11, 8.2.x before 8.2.9, 9.0.x before 9.0.7, and 9.1.x before 9.1.3 sends different error messages depending on whether the username is valid, which allows remote attackers to enumerate user names via a large number of password reset attempts.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "8.2.2"
},
{
"last_affected": "8.2.2"
}
],
"source": "CPE_STRING",
"vendor_product": "owncloud:owncloud",
"cpes": [
"cpe:2.3:a:owncloud:owncloud:8.2.2:*:*:*:*:*:*:*"
]
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "8.1.10"
},
{
"introduced": "8.2.2"
},
{
"last_affected": "8.2.2"
},
{
"introduced": "8.2.3"
},
{
"last_affected": "8.2.3"
},
{
"introduced": "8.2.4"
},
{
"last_affected": "8.2.4"
},
{
"introduced": "8.2.5"
},
{
"last_affected": "8.2.5"
},
{
"introduced": "8.2.6"
},
{
"last_affected": "8.2.6"
},
{
"introduced": "8.2.7"
},
{
"last_affected": "8.2.7"
},
{
"introduced": "8.2.8"
},
{
"last_affected": "8.2.8"
},
{
"introduced": "9.0.0"
},
{
"last_affected": "9.0.0"
},
{
"introduced": "9.0.1"
},
{
"last_affected": "9.0.1"
},
{
"introduced": "9.0.2"
},
{
"last_affected": "9.0.2"
},
{
"introduced": "9.0.3"
},
{
"last_affected": "9.0.3"
},
{
"introduced": "9.0.4"
},
{
"last_affected": "9.0.4"
},
{
"introduced": "9.0.5"
},
{
"last_affected": "9.0.5"
},
{
"introduced": "9.0.6"
},
{
"last_affected": "9.0.6"
},
{
"introduced": "9.1.0"
},
{
"last_affected": "9.1.0"
},
{
"introduced": "9.1.1"
},
{
"last_affected": "9.1.1"
},
{
"introduced": "9.1.2"
},
{
"last_affected": "9.1.2"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
],
"cpe": [
"cpe:2.3:a:owncloud:owncloud:*:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:8.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.1:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.2:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.3:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.4:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.5:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.0.6:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.1.0:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.1.1:*:*:*:*:*:*:*",
"cpe:2.3:a:owncloud:owncloud:9.1.2:*:*:*:*:*:*:*"
]
}