# CVE-2015-7548: Information disclosure in n/a > Authenticated users can read arbitrary files by overwriting instance disks with crafted images when using libvirt with specific configurations. - **Severity:** Low 3.5 (`CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N`) - **Exploited in the wild:** Not known - **Login needed:** Any signed-in user - **Attackable:** Over the internet - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 12 Jan 2016 - **Updated:** 6 Aug 2024 - **Also known as:** DEBIAN-CVE-2015-7548, GHSA-6q7v-7634-xrvf, RHSA-2016:0018, UBUNTU-CVE-2015-7548 ## What is CVE-2015-7548? CVE-2015-7548 is a low-severity vulnerability in n/a, published on 12 Jan 2016. Any signed-in user can exploit it over the network, with no action from the victim. ### Official description OpenStack Compute (Nova) before 2015.1.3 (kilo) and 12.0.x before 12.0.1 (liberty), when using libvirt to spawn instances and use_cow_images is set to false, allow remote authenticated users to read arbitrary files by overwriting an instance disk with a crafted image and requesting a snapshot. Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) ## Which versions are affected by CVE-2015-7548? It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `openstack-nova` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-api` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-cells` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-cert` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-common` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-compute` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-conductor` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-console` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-doc` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-network` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-novncproxy` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-objectstore` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-scheduler` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova-serialproxy` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `python-nova` | Red Hat:openstack:5::el7 | All versions | 0:2014.1.5-15.el7ost | | `openstack-nova` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-api` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-cells` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-cert` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-common` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-compute` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-conductor` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-console` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-doc` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-network` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-novncproxy` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-objectstore` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-scheduler` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova-serialproxy` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `python-nova` | Red Hat:openstack:6::el7 | All versions | 0:2014.2.3-48.el7ost | | `openstack-nova` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-api` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-cells` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-cert` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-common` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-compute` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-conductor` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-console` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-doc` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | | `openstack-nova-network` | Red Hat:openstack:7::el7 | All versions | 0:2015.1.2-13.el7ost | Products: Openstack Nova. ## How do I fix CVE-2015-7548? Upgrade to a fixed version. ## Is CVE-2015-7548 being exploited? There is no known exploitation of CVE-2015-7548 in the wild and no public exploit code. ## Other vulnerabilities in n/a - [CVE-2017-7214](https://insights.sbomify.com/CVE-2017-7214/): OpenStack Nova logs sensitive context from notification exceptions (critical 9.8) - [CVE-2017-17051](https://insights.sbomify.com/CVE-2017-17051/): OpenStack Nova DoS by rebuilding the same instance with a new image multiple times (high 8.6) - [CVE-2020-17376](https://insights.sbomify.com/CVE-2020-17376/): OpenStack Nova Live migration fails to update persistent domain XML (high 8.3) - [CVE-2017-18191](https://insights.sbomify.com/CVE-2017-18191/): OpenStack Nova Denial of service attack on the compute host (high 7.5) - [CVE-2015-3280](https://insights.sbomify.com/CVE-2015-3280/): OpenStack Compute (nova) allows remote authenticated users to cause a denial of service (medium 6.8) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2015-7548 and fix it if it is affected. What it is: CVE-2015-7548 is a low-severity vulnerability in n/a, published on 12 Jan 2016. Any signed-in user can exploit it over the network, with no action from the victim. Exploitation: There is no known exploitation of CVE-2015-7548 in the wild and no public exploit code. Affected product: n/a. 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-2015-7548/ (Markdown: https://insights.sbomify.com/CVE-2015-7548/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2015-7548 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2015-7548 - OSV: https://osv.dev/vulnerability/CVE-2015-7548 --- From sbomify Insights: https://insights.sbomify.com/CVE-2015-7548/ Summaries are generated and may contain mistakes; the official description above is the record.