Vulnerability CVE-2017-15924 - CERT Civis.Net

Vulnerability Name:

CVE-2017-15924 (CCN-134195)

Assigned:

2017-10-27

Published:

2017-10-27

Updated:

2019-10-03

Summary:

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.

CVSS v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

7.2 High (CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Gain Access

References:

Source: MITRE
Type: CNA
CVE-2017-15924

Source: CCN
Type: oss-sec Mailing List, Fri, 13 Oct 2017 18:44:21 +0200
Advisory X41-2017-010: Command Execution in Shadowsocks-libev

Source: MISC
Type: Mailing List, Third Party Advisory
http://openwall.com/lists/oss-security/2017/10/13/2

Source: DEBIAN
Type: Third Party Advisory
DSA-4009

Source: XF
Type: UNKNOWN
shadowsocks-libev-cve201715924-code-exec(134195)

Source: MISC
Type: Third Party Advisory
https://github.com/shadowsocks/shadowsocks-libev/commit/c67d275803dc6ea22c558d06b1f7ba9f94cd8de3

Source: CCN
Type: shadowsocks-libev GIT Repository
shadowsocks-libev

Source: MISC
Type: Third Party Advisory
https://github.com/shadowsocks/shadowsocks-libev/issues/1734

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-15924

Source: MISC
Type: Exploit, Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2017-010-shadowsocks-libev/

Vulnerable Configuration:

Configuration 1:

cpe:/a:shadowsocks:shadowsocks-libev:1.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.3.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.5:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.6:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.7:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.4.8:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.5.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.5.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.5.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.5.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.6.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.6.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.6.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:1.6.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.5:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.6:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.7:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.0.8:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.1.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.1.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.1.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.1.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.1.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.2.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.2.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.2.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.2.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.3.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.3.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.3.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.3.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.5:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.6:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.7:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.4.8:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.5:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.5.6:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.6.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.6.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.6.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:2.6.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.0:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.1:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.2:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.3:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.4:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.5:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.6:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.7:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.0.8:*:*:*:*:*:*:*

OR cpe:/a:shadowsocks:shadowsocks-libev:3.1.0:*:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:9.2:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:shadowsocks:shadowsocks-libev:3.1.0:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:201715924	V	CVE-2017-15924	2022-06-30
oval:org.opensuse.security:def:112828	P	libshadowsocks-libev2-3.3.5-1.9 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106293	P	libshadowsocks-libev2-3.3.5-1.9 on GA media (Moderate)	2021-10-01
oval:com.ubuntu.artful:def:201715924000	V	CVE-2017-15924 on Ubuntu 17.10 (artful) - medium.	2017-10-27
oval:com.ubuntu.cosmic:def:2017159240000000	V	CVE-2017-15924 on Ubuntu 18.10 (cosmic) - medium.	2017-10-27
oval:com.ubuntu.bionic:def:201715924000	V	CVE-2017-15924 on Ubuntu 18.04 LTS (bionic) - medium.	2017-10-27
oval:com.ubuntu.bionic:def:2017159240000000	V	CVE-2017-15924 on Ubuntu 18.04 LTS (bionic) - medium.	2017-10-27
oval:com.ubuntu.cosmic:def:201715924000	V	CVE-2017-15924 on Ubuntu 18.10 (cosmic) - medium.	2017-10-27