Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "10.0"
},
{
"last_affected": "11.0"
}
],
"source": "CPE_FIELD",
"vendor_product": "debian:debian_linux"
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"last_affected": "33"
},
{
"last_affected": "34"
}
],
"source": "CPE_FIELD",
"vendor_product": "fedoraproject:fedora"
}
]
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "4.14"
},
{
"introduced": "5.0"
},
{
"last_affected": "5.0.5"
}
],
"source": "CPE_FIELD",
"cpe": "cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*"
}