Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*",
"cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*"
],
"extracted_events": [
{
"last_affected": "12.04"
},
{
"last_affected": "14.04"
},
{
"last_affected": "16.04"
},
{
"last_affected": "18.04"
},
{
"last_affected": "19.10"
},
{
"last_affected": "20.04"
}
],
"source": "CPE_FIELD",
"vendor_product": "canonical:ubuntu_linux"
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "9.0"
}
],
"source": "CPE_FIELD",
"vendor_product": "debian:debian_linux"
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "31"
},
{
"last_affected": "32"
}
],
"source": "CPE_FIELD",
"vendor_product": "fedoraproject:fedora"
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "15.1"
}
],
"source": "CPE_FIELD",
"vendor_product": "opensuse:leap"
}
]
}{
"extracted_events": [
{
"introduced": "2.7.0"
},
{
"last_affected": "2.7.17"
},
{
"introduced": "3.5.0"
},
{
"last_affected": "3.5.9"
},
{
"introduced": "3.6.0"
},
{
"last_affected": "3.6.10"
},
{
"introduced": "3.7.0"
},
{
"last_affected": "3.7.6"
},
{
"introduced": "3.8.0"
},
{
"last_affected": "3.8.1"
}
],
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:python:python:*:*:*:*:*:*:*:*"
}