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[email protected]CVE-2019-5163

HistoryDec 03, 2019 - 10:15 p.m.

CVE-2019-5163

2019-12-0322:15:15

CWE-306

[email protected]

web.nvd.nist.gov

145

cve-2019-5163

denial-of-service

shadowsocks-libev

udp

vulnerability

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

7.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

47.4%

JSON

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.

Affected configurations

NVD

Node

shadowsocksshadowsocks-libevMatch3.3.2

Node

opensusebackportsMatchsle-15sp1

opensuseleapMatch15.1

CPENameOperatorVersion
shadowsocks:shadowsocks-libevshadowsocks shadowsocks-libeveq3.3.2

CPE	Name	Operator	Version
shadowsocks:shadowsocks-libev	shadowsocks shadowsocks-libev	eq	3.3.2

CNA Affected

[
  {
    "product": "Shadowsocks",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Shadowsocks-libev 3.3.2"
      }
    ]
  }
]