CVE-2016-7545 Privilege escalation in n/a
High 8.8
Published
Updated
Check this codebase for CVE-2016-7545 and fix it if it is affected.
What it is: CVE-2016-7545 is a high-severity vulnerability in Fedoraproject Fedora, published on 19 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2016-7545 in the wild and no public exploit code.
Affected product: Fedoraproject Fedora. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2016-7545/ (Markdown: https://insights.sbomify.com/CVE-2016-7545/index.md)
Local attackers can escape SELinux sandboxes and execute arbitrary commands via a crafted TIOCSTI ioctl call in policycoreutils.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2016-7545?
CVE-2016-7545 is a high-severity vulnerability in Fedoraproject Fedora, published on 19 Jan 2017. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
SELinux policycoreutils allows local users to execute arbitrary commands outside of the sandbox via a crafted TIOCSTI ioctl call.
Weakness: CWE-284
Which versions are affected by CVE-2016-7545?
It affects 7 products.
Linux distribution packages (40)
policycoreutils Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-debuginfo Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-gui Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-newrole Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-python Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-sandbox Red Hat:enterprise_linux:6::client | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-debuginfo Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-gui Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-newrole Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-python Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-sandbox Red Hat:enterprise_linux:6::computenode | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-debuginfo Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-gui Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-newrole Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-python Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-sandbox Red Hat:enterprise_linux:6::server | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-debuginfo Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-gui Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-newrole Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-python Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils-sandbox Red Hat:enterprise_linux:6::workstation | All versions | 0:2.0.83-30.1.el6_8 |
policycoreutils Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-debuginfo Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-devel Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-gui Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-newrole Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-python Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-restorecond Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils-sandbox Red Hat:enterprise_linux:7::client | All versions | 0:2.5-9.el7 |
policycoreutils Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-debuginfo Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-devel Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-gui Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-newrole Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-python Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-restorecond Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
policycoreutils-sandbox Red Hat:enterprise_linux:7::computenode | All versions | 0:2.5-9.el7 |
Products include Fedoraproject Fedora, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Hpc Node, Redhat Enterprise Linux Server, Redhat Enterprise Linux Server Tus, Redhat Enterprise Linux Workstation and 1 more.
How do I fix CVE-2016-7545?
Apply the vendor's patch.
Is CVE-2016-7545 being exploited?
There is no known exploitation of CVE-2016-7545 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2016-7545, DLA-638-1, GHSA-38gv-g72v-rp63, RHSA-2016:2702, RHSA-2017:0535, RHSA-2017:0536 and 3 more.