SaltStack prior 2014.7.4 modules/chef.py data processing

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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in SaltStack. Affected is an unknown function of the file modules/chef.py. The manipulation results in data processing. This vulnerability is known as CVE-2015-1839. Attacking locally is a requirement. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in SaltStack. It has been classified as problematic. Affected is some unknown functionality of the file modules/chef.py. The manipulation with an unknown input leads to a data processing vulnerability. CWE is classifying the issue as CWE-19. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

modules/chef.py in SaltStack before 2014.7.4 does not properly handle files in /tmp.

The bug was discovered 04/17/2015. The weakness was published 04/13/2017 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability is traded as CVE-2015-1839 since 02/17/2015. 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 vulnerability was handled as a non-public zero-day exploit for at least 273 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 89477 (Fedora 23 : salt-2015.5.8-1.fc23 (2016-105b3b8804)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124571 (Fedora Security Update for salt (FEDORA-2016-105)).

Upgrading to version 2014.7.4 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 (89477). Similar entry is available at VDB-99779. 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: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 89477
Nessus Name: Fedora 23 : salt-2015.5.8-1.fc23 (2016-105b3b8804)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for salt FEDORA-2016-105
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SaltStack 2014.7.4
Patch: github.com

Timelineinfo

02/17/2015 🔍
04/17/2015 +59 days 🔍
01/15/2016 +273 days 🔍
03/04/2016 +49 days 🔍
04/13/2017 +405 days 🔍
04/13/2017 +0 days 🔍
04/14/2017 +1 days 🔍
11/29/2022 +2055 days 🔍

Sourcesinfo

Advisory: FEDORA-2016-105b3b8804
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-1839 (🔍)
GCVE (CVE): GCVE-0-2015-1839
GCVE (VulDB): GCVE-100-99780
OSVDB: - CVE-2015-1839 - SaltStack - Unspecified Issue

See also: 🔍

Entryinfo

Created: 04/14/2017 10:53
Updated: 11/29/2022 09:25
Changes: 04/14/2017 10:53 (64), 08/30/2020 12:48 (9), 11/29/2022 09:20 (5), 11/29/2022 09:23 (1), 11/29/2022 09:25 (1)
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 ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!