SaltStack Salt prior 2015.8.13/2016.3.5/2016.11.2 local_batch Client improper authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.2 | $0-$5k | 0.00 |
A vulnerability was found in SaltStack Salt. It has been rated as critical. This issue affects an unknown functionality of the component local_batch Client. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
When using the local_batch client from salt-api in SaltStack Salt before 2015.8.13, 2016.3.x before 2016.3.5, and 2016.11.x before 2016.11.2, external authentication is not respected, enabling all authentication to be bypassed.
The bug was discovered 09/01/2017. The weakness was released 09/26/2017 (Website). It is possible to read the advisory at docs.saltstack.com. The identification of this vulnerability is CVE-2017-5192 since 01/06/2017. The exploitation is known to be easy. The attack may be initiated remotely. The successful exploitation needs a simple authentication. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 25 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111917 (Photon OS 1.0: Salt PHSA-2018-1.0-0106 (deprecated)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family PhotonOS Local Security Checks and running in the context l.
Upgrading to version 2015.8.13, 2016.3.5 or 2016.11.2 eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (111917). Entry connected to this vulnerability is available at 107172.
Product
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 7.4
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.8
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Improper authenticationCWE: CWE-287
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Nessus ID: 111917
Nessus Name: Photon OS 1.0: Salt PHSA-2018-1.0-0106 (deprecated)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: SaltStack Salt 2015.8.13/2016.3.5/2016.11.2
Timeline
01/06/2017 🔍09/01/2017 🔍
09/26/2017 🔍
09/26/2017 🔍
09/27/2017 🔍
02/08/2018 🔍
08/17/2018 🔍
11/20/2019 🔍
Sources
Advisory: docs.saltstack.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2017-5192 (🔍)
See also: 🔍
Entry
Created: 09/27/2017 08:53Updated: 11/20/2019 08:13
Changes: 09/27/2017 08:53 (63), 11/20/2019 08:13 (7)
Complete: 🔍
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