Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users.
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4-base"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4-config"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.86.2-2ubuntu2.6+esm8",
"binary_name": "eximon4"
}
]
}
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4-base"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4-config"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.90.1-1ubuntu1.10+esm5",
"binary_name": "eximon4"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4-base"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4-config"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.93-13ubuntu1.12",
"binary_name": "eximon4"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4-base"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4-config"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.95-4ubuntu2.6",
"binary_name": "eximon4"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4-base"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4-config"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4-daemon-heavy"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4-daemon-light"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "exim4-dev"
},
{
"binary_version": "4.97-4ubuntu4.1",
"binary_name": "eximon4"
}
]
}