// For flags

CVE-2019-5163

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Hay una vulnerabilidad de denegación de servicio explotable en la funcionalidad UDPRelay de Shadowsocks-libev versión 3.3.2. Cuando se utiliza un Cifrado de Flujo y un local_address, unos paquetes UDP arbitrarios pueden causar una ruta de código de error FATAL y salir. Un atacante puede enviar paquetes UDP arbitrarios para activar esta vulnerabilidad.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-01-04 CVE Reserved
  • 2019-12-03 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-04 CVE Updated
  • 2024-08-04 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-306: Missing Authentication for Critical Function
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Shadowsocks
Search vendor "Shadowsocks"
 Shadowsocks-libev
Search vendor "Shadowsocks" for product "Shadowsocks-libev"
 3.3.2
Search vendor "Shadowsocks" for product "Shadowsocks-libev" and version "3.3.2"
-
Affected
Opensuse
Search vendor "Opensuse"
 Backports
Search vendor "Opensuse" for product "Backports"
 sle-15
Search vendor "Opensuse" for product "Backports" and version "sle-15"
sp1
Affected
Opensuse
Search vendor "Opensuse"
 Leap
Search vendor "Opensuse" for product "Leap"
 15.1
Search vendor "Opensuse" for product "Leap" and version "15.1"
-
Affected