Name: CVE-2019-5163: Missing Authentication for Critical Function
Creator: Rapid7
Published: 2019-12-03T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-5163, CWE-306, CVSS 7.5, EPSS 0.00486

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.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
CVSS 3.0 Base Score: 5.9
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade shadowsocks-libev	Jul 30, 2024	Dec 3, 2019
Suse	—	Upgrade shadowsocks-libev-develUpgrade shadowsocks-libevUpgrade shadowsocks-libev-docUpgrade libshadowsocks-libev2	Dec 12, 2019	Dec 3, 2019

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CVSS Details

Covered by Rapid7

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