The client in OpenSSH before 7.2 mishandles failed cookie generation for untrusted X11 forwarding and relies on the local X11 server for access-control decisions, which allows remote X11 clients to trigger a fallback and obtain trusted X11 forwarding privileges by leveraging configuration issues on this X11 server, as demonstrated by lack of the SECURITY extension on this X11 server.
{
"unresolved_ranges": [
{
"cpe": "cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"fixed": "7.2"
}
]
},
{
"cpe": "cpe:2.3:o:oracle:linux:7:-:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "7-NA"
}
]
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_eus:7.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "7.2"
}
]
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "7.2"
}
]
},
{
"cpe": "cpe:2.3:o:redhat:enterprise_linux_server_tus:7.2:*:*:*:*:*:*:*",
"source": "CPE_FIELD",
"extracted_events": [
{
"last_affected": "7.2"
}
]
}
]
}{
"cpe": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
"cpe:2.3:o:oracle:linux:6:-:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.3:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.3:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*",
"cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*"
],
"source": "CPE_FIELD",
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "8.0"
},
{
"last_affected": "6-NA"
},
{
"last_affected": "6.0"
},
{
"last_affected": "7.0"
},
{
"last_affected": "7.3"
},
{
"last_affected": "7.4"
},
{
"last_affected": "7.5"
},
{
"last_affected": "7.6"
},
{
"last_affected": "7.7"
}
]
}