SaltStack Salt prior 2015.8.13/2016.3.5/2016.11.2 Salt-api /var/log/salt/minion command injection

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in SaltStack Salt. Affected is an unknown function of the file /var/log/salt/minion of the component Salt-api. The manipulation results in command injection. This vulnerability is reported as CVE-2017-5200. The attack requires a local approach. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in SaltStack Salt. Affected is some unknown functionality of the file /var/log/salt/minion of the component Salt-api. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Salt-api in SaltStack Salt before 2015.8.13, 2016.3.x before 2016.3.5, and 2016.11.x before 2016.11.2 allows arbitrary command execution on a salt-master via Salt's ssh_client.

The bug was discovered 09/01/2017. The weakness was disclosed 09/26/2017 (Website). The advisory is shared for download at docs.saltstack.com. This vulnerability is traded as CVE-2017-5200 since 01/06/2017. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

The vulnerability scanner Nessus provides a plugin with the ID 100907 (SUSE SLES11 Security Update : Salt (SUSE-SU-2017:1581-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171099 (OpenSUSE Security Update for salt (openSUSE-SU-2018:1053-1)).

Upgrading to version 2015.8.13, 2016.3.5 or 2016.11.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (100907). The entries VDB-96618, VDB-100581, VDB-105674 and VDB-107171 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 100907
Nessus Name: SUSE SLES11 Security Update : Salt (SUSE-SU-2017:1581-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SaltStack Salt 2015.8.13/2016.3.5/2016.11.2

Timelineinfo

01/06/2017 🔍
06/16/2017 +161 days 🔍
06/20/2017 +4 days 🔍
09/01/2017 +73 days 🔍
09/26/2017 +25 days 🔍
09/26/2017 +0 days 🔍
09/27/2017 +1 days 🔍
11/20/2019 +784 days 🔍

Sourcesinfo

Advisory: docs.saltstack.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5200 (🔍)
GCVE (CVE): GCVE-0-2017-5200
GCVE (VulDB): GCVE-100-107172
See also: 🔍

Entryinfo

Created: 09/27/2017 08:54
Updated: 11/20/2019 08:15
Changes: 09/27/2017 08:54 (66), 11/20/2019 08:15 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!