CVE-2019-5163: High severity shadowsocks vulnerability

Published Dec 3, 2019
·
Updated

An exploitable denial-of-service vulnerability exists in the UDPRelay functionality of Shadowsocks-libev 3.3.2. When utilizing a Stream Cipher and a localaddress, arbitrary UDP packets can cause a FATAL error code path and exit. An attacker can send arbitrary UDP packets to trigger this vulnerability.

Affected Software

3 affected components
shadowsocks shadowsocks-libev=3.3.2
openSUSE Backports=sle-15-sp1
openSUSE Leap=15.1

Event History

Dec 3, 2019
CVE Published
via MITRE·09:55 PM
Data Sourced
via MITRE·09:55 PM
DescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2019-5163.

2

What is the severity of CVE-2019-5163?

The severity of CVE-2019-5163 is high.

3

What is the affected software for CVE-2019-5163?

The affected software for CVE-2019-5163 is Shadowsocks-libev 3.3.2, Opensuse Backports sle-15-sp1, and openSUSE Leap 15.1.

4

How does the vulnerability work?

The vulnerability allows an attacker to send arbitrary UDP packets to trigger a denial-of-service condition.

5

Are there any references for CVE-2019-5163?

Yes, you can find more information about CVE-2019-5163 at the following references: [link1](http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html), [link2](http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html), [link3](https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956).

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