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CVE-2017-15924

Published: 27 October 2017

In manager.c in ss-manager in shadowsocks-libev 3.1.0, improper parsing allows command injection via shell metacharacters in a JSON configuration request received via 127.0.0.1 UDP traffic, related to the add_server, build_config, and construct_command_line functions.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
shadowsocks-libev
Launchpad, Ubuntu, Debian
cosmic Not vulnerable
(3.1.3+ds-1ubuntu2)
trusty Does not exist

upstream
Released (3.1.0+ds-2)
xenial Does not exist

zesty Ignored
(end of life)
artful Ignored
(end of life)
bionic Not vulnerable
(3.1.3+ds-1ubuntu2)
Patches:
other: https://github.com/shadowsocks/shadowsocks-libev/commit/c67d275803dc6ea22c558d06b1f7ba9f94cd8de3

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H