Vulnerability Monitor

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CVE-2016-3096

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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.8, requiring local system access to exploit with relatively low complexity without requiring user interaction requiring only low-level privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 2 products from fedoraproject, from redhat organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-06-03T14:59:04.263

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.8 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-59

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	fedoraproject	fedora	22	Yes
Operating System	fedoraproject	fedora	23	Yes
Operating System	fedoraproject	fedora	24	Yes
Application	redhat	ansible	≤ 1.9.6	Yes
Application	redhat	ansible	2.0	Yes
Application	redhat	ansible	2.0.1	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183103.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html Vendor Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184175.html Vendor Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=1322925 Issue Tracking ([email protected])
https://github.com/ansible/ansible-modules-extras/pull/1941 Patch ([email protected])
https://github.com/ansible/ansible-modules-extras/pull/1941/commits/8c6fe646ee79f5e55361b885b7efed5bec72d4a4 Patch ([email protected])
https://github.com/ansible/ansible/blob/v1.9.6-1/CHANGELOG.md#196-dancing-in-the-street---tbd Third Party Advisory ([email protected])
https://github.com/ansible/ansible/blob/v2.0.2.0-1/CHANGELOG.md#202-over-the-hills-and-far-away Patch ([email protected])
https://groups.google.com/forum/#%21topic/ansible-announce/E80HLZilTU0 ([email protected])
https://groups.google.com/forum/#%21topic/ansible-announce/tqiZbcWxYig ([email protected])
https://security.gentoo.org/glsa/201607-14 Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183103.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184175.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=1322925 Issue Tracking (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ansible/ansible-modules-extras/pull/1941 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ansible/ansible-modules-extras/pull/1941/commits/8c6fe646ee79f5e55361b885b7efed5bec72d4a4 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ansible/ansible/blob/v1.9.6-1/CHANGELOG.md#196-dancing-in-the-street---tbd Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/ansible/ansible/blob/v2.0.2.0-1/CHANGELOG.md#202-over-the-hills-and-far-away Patch (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/forum/#%21topic/ansible-announce/E80HLZilTU0 (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/forum/#%21topic/ansible-announce/tqiZbcWxYig (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201607-14 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For fedoraproject's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.