Tor before 0.3.5.10, 0.4.x before 0.4.1.9, and 0.4.2.x before 0.4.2.7 allows remote attackers to cause a Denial of Service (memory leak), aka TROVE-2020-004. This occurs in circpadsetupmachineoncirc because a circuit-padding machine can be negotiated twice on the same circuit.
{
"unresolved_ranges": [
{
"extracted_events": [
{
"introduced": "15.0-sp1"
},
{
"last_affected": "15.0-sp1"
}
],
"source": "CPE_STRING",
"vendor_product": "opensuse:backports_sle",
"cpes": [
"cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"
]
},
{
"extracted_events": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING",
"vendor_product": "opensuse:leap",
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
]
}
]
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0.3.5"
},
{
"fixed": "0.3.5.10"
},
{
"introduced": "0"
},
{
"fixed": "0.4.1.9"
},
{
"last_affected": "0.4.2.7"
}
]
}{
"source": "CPE_RANGE",
"cpe": "cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0.3.5"
},
{
"fixed": "0.3.5.10"
},
{
"introduced": "0"
},
{
"fixed": "0.4.1.9"
},
{
"last_affected": "0.4.2.7"
}
]
}