# CVE-2013-1940: Information disclosure in n/a > Physically proximate attackers can read sensitive input events, such as passwords, due to improper access restrictions during device hot-plugging. - **Severity:** Low 2.1 (`AV:L/AC:L/Au:N/C:P/I:N/A:N`) - **Exploited in the wild:** Not known - **Login needed:** Not needed - **Attackable:** Local or same network only - **Victim action needed:** Not needed - **Fix available:** Yes - **Published:** 13 May 2013 - **Updated:** 6 Aug 2024 - **Also known as:** DEBIAN-CVE-2013-1940, DSA-2661-1, GHSA-hmm5-mg2w-wrfw, RHSA-2013:1620 ## What is CVE-2013-1940? CVE-2013-1940 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 13 May 2013. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description X.Org X server before 1.13.4 and 1.4.x before 1.14.1 does not properly restrict access to input events when adding a new hot-plug device, which might allow physically proximate attackers to obtain sensitive information, as demonstrated by reading passwords from a tty. Weakness: CWE-264 ## Which versions are affected by CVE-2013-1940? It affects 2 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `xorg-x11-server` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xdmx` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xephyr` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xnest` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xorg` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xvfb` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-common` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-debuginfo` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-source` | Red Hat:enterprise_linux:6::client | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xdmx` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xephyr` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xnest` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xorg` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xvfb` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-common` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-debuginfo` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-source` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xdmx` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xephyr` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xnest` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xorg` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xvfb` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-common` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-debuginfo` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-source` | Red Hat:enterprise_linux:6::server | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xdmx` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xephyr` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xnest` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xorg` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-Xvfb` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-common` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-debuginfo` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-devel` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | | `xorg-x11-server-source` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.13.0-23.el6 | Products: Canonical Ubuntu Linux, X X.org-Xserver. ## How do I fix CVE-2013-1940? Upgrade to a fixed version. ## Is CVE-2013-1940 being exploited? There is no known exploitation of CVE-2013-1940 in the wild and no public exploit code. ## Other vulnerabilities in Canonical Ubuntu Linux - [CVE-2020-11651](https://insights.sbomify.com/CVE-2020-11651/): SaltStack Salt Authentication Bypass (critical 9.8, exploited in the wild) - [CVE-2020-7247](https://insights.sbomify.com/CVE-2020-7247/): OpenSMTPD Remote Code Execution (critical 9.8, exploited in the wild) - [CVE-2019-16928](https://insights.sbomify.com/CVE-2019-16928/): Exim Out-of-bounds Write (critical 9.8, exploited in the wild) - [CVE-2018-6789](https://insights.sbomify.com/CVE-2018-6789/): Exim Buffer Overflow (critical 9.8, exploited in the wild) - [CVE-2015-2590](https://insights.sbomify.com/CVE-2015-2590/): Oracle Java SE and Java SE Embedded Remote Code Execution (critical 9.8, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2013-1940 and fix it if it is affected. What it is: CVE-2013-1940 is a low-severity vulnerability in Canonical Ubuntu Linux, published on 13 May 2013. 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-2013-1940 in the wild and no public exploit code. Affected product: Canonical Ubuntu Linux. 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-2013-1940/ (Markdown: https://insights.sbomify.com/CVE-2013-1940/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2013-1940 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-1940 - OSV: https://osv.dev/vulnerability/CVE-2013-1940 --- From sbomify Insights: https://insights.sbomify.com/CVE-2013-1940/ Summaries are generated and may contain mistakes; the official description above is the record.