CVE-2019-5163
HIGHshadowsocks-libev 3.3.2 - Denial of Service via UDP Packet Handling
Title source: llmDescription
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 (3)
Core 3
Core References
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html
Exploit, Third Party Advisory x_refsource_misc
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956
Scores
CVSS v3
7.5
EPSS
0.0049
EPSS Percentile
65.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-306
Status
published
Products (3)
opensuse/backports
sle-15 sp1
opensuse/leap
15.1
shadowsocks/shadowsocks-libev
3.3.2
Published
Dec 03, 2019
Tracked Since
Feb 18, 2026