Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/shadowsocks/shadowsocks-libev/commit/c67d275803dc6ea22c558d06b1f7ba9f94cd8de3 ↗
- https://github.com/shadowsocks/shadowsocks-libev/issues/1734 ↗
- https://www.x41-dsec.de/lab/advisories/x41-2017-010-shadowsocks-libev/ ↗
- http://www.debian.org/security/2017/dsa-4009 ↗
- http://openwall.com/lists/oss-security/2017/10/13/2 ↗