An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a local_address, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.
{
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "sle-15-sp1"
},
{
"last_affected": "sle-15-sp1"
}
],
"source": "CPE_STRING",
"vendor_product": "opensuse:backports"
},
{
"cpes": [
"cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"
],
"extracted_events": [
{
"introduced": "15.1"
},
{
"last_affected": "15.1"
}
],
"source": "CPE_STRING",
"vendor_product": "opensuse:leap"
}
]
}