CVE-2019-5163

high

Description

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.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html

Details

Source: Mitre, NVD

Published: 2019-12-03

Updated: 2022-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High