SB2020012925 - OpenSUSE Linux update for shadowsocks-libev 

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Main Vulnerability Database SB2020012925

SB2020012925 - OpenSUSE Linux update for shadowsocks-libev

Published: January 29, 2020

Security Bulletin ID SB2020012925
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Missing Authentication for Critical Function (CVE-ID: CVE-2019-5163)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the UDPRelay functionality when utilizing a Stream Cipher and a "local_address". A remote attacker can send a specially crafted UDP packets and cause a FATAL error code path and exit.


2) Missing Authentication for Critical Function (CVE-ID: CVE-2019-5164)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an insufficient authentication mechanism in the ss-manager binary. A remote authenticated attacker can send a specially crafted network packets to ss-manager, cause an arbitrary binary to run and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References