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…

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

2.29%

81.3th percentile

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.

Affected

8 ranges

Vendor	Product	Version range	Fixed in
debian	shadowsocks-libev	< shadowsocks-libev 3.3.3+ds-2 (bookworm)	shadowsocks-libev 3.3.3+ds-2 (bookworm)
opensuse	backports	—	—
opensuse	leap	—	—
shadowsocks	shadowsocks-libev	—	—
shadowsocks	shadowsocks-libev	>= 0 < 3.3.3+ds-2	3.3.3+ds-2
shadowsocks	shadowsocks-libev	>= 0 < 3.3.3+ds-2	3.3.3+ds-2
shadowsocks	shadowsocks-libev	>= 0 < 3.3.3+ds-2	3.3.3+ds-2
shadowsocks	shadowsocks-libev	>= 0 < 3.3.3+ds-2	3.3.3+ds-2

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv3.05.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

osv7.5HIGH

vendor_debian7.5HIGH

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