RCE in Shadowsocks Shadowsocks-Libev
CVE-2017-15924
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.013 (66.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Shadowsocks Shadowsocks-libev — versions 1.3, 1.3.2, 1.4.0
- Debian Debian_linux — versions 9.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-15924?
- CVE-2017-15924 is a high-severity vulnerability in Shadowsocks Shadowsocks-Libev, classified under OS Command Injection. CVSS score: 7.8/10. Published 2017-10-27.
- How severe is CVE-2017-15924?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-15924 known to be exploited?
- 12 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.