CVE-2016-3096
What it is
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.
At a glance
- Exploitability
- Can be exploited locally on the machine with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.5% in the next 30 days (EPSS).
- Severity: 7.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-59
- Record status
- Modified
Affected
- Fedoraproject Fedora 22
- Fedoraproject Fedora 23
- Fedoraproject Fedora 24
- Redhat Ansible ≤ 1.9.6
- Redhat Ansible 2.0
- Redhat Ansible 2.0.1
Attack profile CVSS 3.0 · 7.8
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2016-3096.md and follow it. Check whether this project is affected by CVE-2016-3096. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184175.html
- https://github.com/ansible/ansible-modules-extras/pull/1941
- https://github.com/ansible/ansible-modules-extras/pull/1941/commits/8c6fe646ee79f5e55361b885b7efed5bec72d4a4
- https://github.com/ansible/ansible/blob/v2.0.2.0-1/CHANGELOG.md#202-over-the-hills-and-far-away
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html
References
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183103.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184175.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1322925
- https://github.com/ansible/ansible-modules-extras/pull/1941
- https://github.com/ansible/ansible-modules-extras/pull/1941/commits/8c6fe646ee79f5e55361b885b7efed5bec72d4a4
- https://github.com/ansible/ansible/blob/v1.9.6-1/CHANGELOG.md#196-dancing-in-the-street---tbd
- https://github.com/ansible/ansible/blob/v2.0.2.0-1/CHANGELOG.md#202-over-the-hills-and-far-away
- https://groups.google.com/forum/#%21topic/ansible-announce/E80HLZilTU0
- https://groups.google.com/forum/#%21topic/ansible-announce/tqiZbcWxYig
- https://security.gentoo.org/glsa/201607-14
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183103.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183132.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183252.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183274.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184175.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1322925
- https://github.com/ansible/ansible-modules-extras/pull/1941
- https://github.com/ansible/ansible-modules-extras/pull/1941/commits/8c6fe646ee79f5e55361b885b7efed5bec72d4a4
- https://github.com/ansible/ansible/blob/v1.9.6-1/CHANGELOG.md#196-dancing-in-the-street---tbd
- https://github.com/ansible/ansible/blob/v2.0.2.0-1/CHANGELOG.md#202-over-the-hills-and-far-away
- https://groups.google.com/forum/#%21topic/ansible-announce/E80HLZilTU0
- https://groups.google.com/forum/#%21topic/ansible-announce/tqiZbcWxYig