Vulnerability CVE-2016-3176

Vulnerability Name:

CVE-2016-3176 (CCN-125870)

Assigned:

2015-05-10

Published:

2015-05-10

Updated:

2017-02-07

Summary:

Salt before 2015.5.10 and 2015.8.x before 2015.8.8, when PAM external authentication is enabled, allows attackers to bypass the configured authentication service by passing an alternate service with a command sent to LocalClient.

CVSS v3 Severity:

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

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

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

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

CVSS v2 Severity:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): None Availibility (A): None

5.1 Medium (CCN CVSS v2 Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): High Athentication (Au): None
Impact Metrics:	Confidentiality (C): Partial Integrity (I): Partial Availibility (A): Partial

Vulnerability Type:

CWE-287

Vulnerability Consequences:

Bypass Security

References:

Source: MITRE
Type: CNA
CVE-2016-3176

Source: CCN
Type: SaltStack Web site
SALT 2015.5.10 RELEASE NOTES

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://docs.saltstack.com/en/latest/topics/releases/2015.5.10.html

Source: CONFIRM
Type: Release Notes, Vendor Advisory
https://docs.saltstack.com/en/latest/topics/releases/2015.8.8.html

Source: XF
Type: UNKNOWN
salt-cve20163176-sec-bypass(125870)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-3176

Vulnerable Configuration:

Configuration 1:

cpe:/a:saltstack:salt:*:*:*:*:*:*:*:* (Version <= 2015.5.9)

OR cpe:/a:saltstack:salt:2015.8.0:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.1:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.2:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.3:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.4:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.5:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.7:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:saltstack:salt:2015.5.9:*:*:*:*:*:*:*

OR cpe:/a:saltstack:salt:2015.8.7:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.xenial:def:201631760000000	V	CVE-2016-3176 on Ubuntu 16.04 LTS (xenial) - high.	2017-01-31
oval:com.ubuntu.artful:def:20163176000	V	CVE-2016-3176 on Ubuntu 17.10 (artful) - high.	2017-01-31
oval:com.ubuntu.xenial:def:20163176000	V	CVE-2016-3176 on Ubuntu 16.04 LTS (xenial) - high.	2017-01-31
oval:com.ubuntu.bionic:def:20163176000	V	CVE-2016-3176 on Ubuntu 18.04 LTS (bionic) - high.	2017-01-31
oval:com.ubuntu.cosmic:def:201631760000000	V	CVE-2016-3176 on Ubuntu 18.10 (cosmic) - high.	2017-01-31
oval:com.ubuntu.cosmic:def:20163176000	V	CVE-2016-3176 on Ubuntu 18.10 (cosmic) - high.	2017-01-31
oval:com.ubuntu.bionic:def:201631760000000	V	CVE-2016-3176 on Ubuntu 18.04 LTS (bionic) - high.	2017-01-31
oval:com.ubuntu.trusty:def:20163176000	V	CVE-2016-3176 on Ubuntu 14.04 LTS (trusty) - high.	2017-01-31

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