CVE-2019-5163

2019-12-0322:15:15

Debian Security Bug Tracker

security-tracker.debian.org

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.001 Low

EPSS

Percentile

47.4%

JSON

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.

OSVersionArchitecturePackageVersionFilename
Debian12allshadowsocks-libev< 3.3.3+ds-2shadowsocks-libev_3.3.3+ds-2_all.deb
Debian11allshadowsocks-libev< 3.3.3+ds-2shadowsocks-libev_3.3.3+ds-2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	shadowsocks-libev	< 3.3.3+ds-2	shadowsocks-libev_3.3.3+ds-2_all.deb
Debian	11	all	shadowsocks-libev	< 3.3.3+ds-2	shadowsocks-libev_3.3.3+ds-2_all.deb