CVE-2019-5163

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.49%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a Shadowsocks
Published at:
Updated at:

References

Link Tags
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00023.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00061.html vendor advisory mailing list third party advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-5163?
CVE-2019-5163 has been scored as a high severity vulnerability.
How to fix CVE-2019-5163?
To fix CVE-2019-5163, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-5163 being actively exploited in the wild?
It is possible that CVE-2019-5163 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5163?
CVE-2019-5163 affects n/a Shadowsocks.
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