VDB-102073 · CVE-2015-6240 · Nessus 84523

Red Hat Ansible up to 1.9.1 chroot/jail/Zone Connection Symlink link following

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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Red Hat Ansible up to 1.9.1. This issue affects some unknown processing of the component chroot/jail/Zone Connection. This manipulation as part of Symlink causes link following. This vulnerability appears as CVE-2015-6240. The attack requires local access. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Red Hat Ansible up to 1.9.1 and classified as problematic. Affected by this vulnerability is some unknown processing of the component chroot/jail/Zone Connection. The manipulation as part of a Symlink leads to a link following vulnerability. The CWE definition for the vulnerability is CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. As an impact it is known to affect integrity. The summary by CVE is:

The chroot, jail, and zone connection plugins in ansible before 1.9.2 allow local users to escape a restricted environment via a symlink attack.

The bug was discovered 08/17/2015. The weakness was presented 06/07/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-6240 since 08/14/2015. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84523 (FreeBSD : ansible -- multiple vulnerabilities (72fccfdf-2061-11e5-a4a5-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 1.9.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (84523). See VDB-77068 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Red Hat

Name

Ansible

Version

License

open-source

Website

Vendor: https://www.redhat.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: 84523
Nessus Name: FreeBSD : ansible -- multiple vulnerabilities (72fccfdf-2061-11e5-a4a5-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ansible 1.9.2
Patch: github.com

Timelineinfo

07/02/2015 🔍
07/06/2015 +4 days 🔍
08/14/2015 +39 days 🔍
08/17/2015 +3 days 🔍
06/07/2017 +660 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
12/08/2022 +2009 days 🔍