CVE-2019-5163

CVSS V2 Medium 4.3 CVSS V3 High 7.5
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.
Overview
  • CVE ID
  • CVE-2019-5163
  • Assigner
  • talos-cna@cisco.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-12-03T22:15:15
  • Last Modified Date
  • 2022-06-17T13:34:16
Weakness Enumerations
CWE URL
CWE-306 http://cwe.mitre.org/data/definitions/306.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:shadowsocks:shadowsocks-libev:3.3.2:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:* 1 OR
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956 Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-5163
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-5163
History
Created Old Value New Value Data Type Notes
2022-04-20 17:01:04 Added to TrackCVE
2022-12-04 07:22:10 2019-12-03T22:15Z 2019-12-03T22:15:15 CVE Published Date updated
2022-12-04 07:22:10 2022-06-17T13:34:16 CVE Modified Date updated
2022-12-04 07:22:10 Analyzed Vulnerability Status updated