In Dovecot before 2.2.36.4 and 2.3.x before 2.3.7.2 (and Pigeonhole before 0.5.7.2), protocol processing can fail for quoted strings. This occurs because '\0' characters are mishandled, and can lead to out-of-bounds writes and remote code execution.
{
"unresolved_ranges": [
{
"vendor_product": "debian:debian_linux",
"cpes": [
"cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "8.0"
},
{
"last_affected": "8.0"
}
],
"source": "CPE_STRING"
},
{
"vendor_product": "fedoraproject:fedora",
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "30"
},
{
"last_affected": "30"
}
],
"source": "CPE_STRING"
}
]
}{
"cpe": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*",
"source": "CPE_RANGE",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "2.2.36.4"
},
{
"introduced": "2.3.0"
},
{
"fixed": "2.3.7.2"
}
]
}{
"cpe": "cpe:2.3:a:dovecot:pigeonhole:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "0.5.7.2"
}
],
"source": "CPE_RANGE"
}