Candidate: CVE-2019-5163
PublicDate: 2019-12-03 22:15:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5163
 https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956
 https://github.com/shadowsocks/shadowsocks-libev/issues/2536
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.
Ubuntu-Description:
Notes:
Mitigation:
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS:
 nvd: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H [7.5 HIGH]


Patches_shadowsocks-libev:
upstream_shadowsocks-libev: released (3.3.3+ds-2)
precise/esm_shadowsocks-libev: DNE
trusty_shadowsocks-libev: ignored (out of standard support)
trusty/esm_shadowsocks-libev: DNE
xenial_shadowsocks-libev: DNE
bionic_shadowsocks-libev: needs-triage
disco_shadowsocks-libev: ignored (reached end-of-life)
eoan_shadowsocks-libev: ignored (reached end-of-life)
focal_shadowsocks-libev: not-affected (3.3.3+ds-3)
groovy_shadowsocks-libev: not-affected (3.3.3+ds-3)
hirsute_shadowsocks-libev: not-affected (3.3.3+ds-3)
impish_shadowsocks-libev: not-affected (3.3.3+ds-3)
jammy_shadowsocks-libev: not-affected (3.3.3+ds-3)
devel_shadowsocks-libev: not-affected (3.3.3+ds-3)