CVE-2019-5163

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.

CVSS v3 7.5 HIGH
CVSS v2.0 4.3 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
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
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0956	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:shadowsocks:shadowsocks-libev:3.3.2:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:opensuse:backports:sle-15:sp1::::::
	cpe:2.3:o:opensuse:leap:15.1:::::::*

History

No history.

Information

Published : 2019-12-03 22:15

Updated : 2024-02-28 17:28

NVD link : CVE-2019-5163

Mitre link : CVE-2019-5163

CVE.ORG link : CVE-2019-5163

JSON object : View

Products Affected

opensuse

backports
leap

shadowsocks

shadowsocks-libev

CWE

CWE-306

Missing Authentication for Critical Function

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