Red Hat Ansible up to 1.9.6/2.0.1.x /opt/.lxc-attach-script create_script input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Red Hat Ansible up to 1.9.6/2.0.1.x and classified as problematic. This vulnerability affects the function create_script of the file /opt/.lxc-attach-script. Such manipulation leads to input validation. This vulnerability is listed as CVE-2016-3096. The attack must be carried out locally. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Red Hat Ansible up to 1.9.6/2.0.1.x and classified as critical. Affected by this issue is the function create_script of the file /opt/.lxc-attach-script. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The create_script function in the lxc_container module in Ansible before 1.9.6-1 and 2.x before 2.0.2.0 allows local users to write to arbitrary files or gain privileges via a symlink attack on (1) /opt/.lxc-attach-script, (2) the archived container in the archive_path directory, or the (3) lxc-attach-script.log or (4) lxc-attach-script.err files in the temporary directory.

The weakness was presented 06/03/2016 (Website). The advisory is shared for download at groups.google.com. This vulnerability is handled as CVE-2016-3096 since 03/10/2016. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 90606 (FreeBSD : ansible -- use of predictable paths in lxc_container (253c6889-06f0-11e6-925f-6805ca0b3d42)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276060 (Fedora Security Update for ansible1.9 (FEDORA-2016-65519440f5)).

Upgrading to version 1.9.6-1 or 2.0.2.0 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 (90606). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90606
Nessus Name: FreeBSD : ansible -- use of predictable paths in lxc_container (253c6889-06f0-11e6-925f-6805ca0b3d42)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64707
OpenVAS Name: Fedora Update for ansible1.9 FEDORA-2016-28
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ansible 1.9.6-1/2.0.2.0
Patch: github.com

Timelineinfo

03/10/2016 🔍
04/20/2016 +41 days 🔍
04/21/2016 +1 days 🔍
06/03/2016 +43 days 🔍
06/03/2016 +0 days 🔍
06/04/2016 +1 days 🔍
10/09/2024 +3049 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: FEDORA-2016-28ff51a3f5
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-3096 (🔍)
GCVE (CVE): GCVE-0-2016-3096
GCVE (VulDB): GCVE-100-87728

Entryinfo

Created: 06/04/2016 12:27
Updated: 10/09/2024 05:00
Changes: 06/04/2016 12:27 (59), 01/01/2019 12:43 (11), 08/22/2022 09:36 (2), 08/22/2022 20:27 (4), 10/09/2024 05:00 (16)
Complete: 🔍
Cache ID: 216::103

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