# CVE-2007-3103: Path traversal in n/a > Local attackers can exploit a symlink vulnerability in the X11 font server init script to modify permissions of arbitrary files, potentially leading to privilege escalation. - **Severity:** Medium 6.2 (`AV:L/AC:H/Au:N/C:C/I:C/A:C`) - **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:** Yes - **Published:** 15 Jul 2007 - **Updated:** 7 Aug 2024 - **Also known as:** DSA-1342-1, GHSA-9vrx-rxrx-2pgp, RHSA-2007:0519, RHSA-2007:0520 ## What is CVE-2007-3103? CVE-2007-3103 is a medium-severity path traversal vulnerability in Redhat Enterprise Linux, published on 15 Jul 2007. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description The init.d script for the X.Org X11 xfs font server on various Linux distributions might allow local users to change the permissions of arbitrary files via a symlink attack on the /tmp/.font-unix temporary file. Weakness: CWE-59 (Improper Link Resolution Before File Access) ## Which versions are affected by CVE-2007-3103? It affects 4 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `xorg-x11` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGL` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGLU` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xdmx` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xnest` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xvfb` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-deprecated-libs` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-deprecated-libs-devel` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-devel` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-doc` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-font-utils` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-libs` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-sdk` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-tools` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-twm` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xauth` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xdm` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xfs` | Red Hat:enterprise_linux:4::as | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGL` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGLU` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xdmx` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xnest` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xvfb` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-deprecated-libs` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-deprecated-libs-devel` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-devel` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-doc` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-font-utils` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-libs` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-sdk` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-tools` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-twm` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xauth` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xdm` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-xfs` | Red Hat:enterprise_linux:4::desktop | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11` | Red Hat:enterprise_linux:4::es | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGL` | Red Hat:enterprise_linux:4::es | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Mesa-libGLU` | Red Hat:enterprise_linux:4::es | All versions | 0:6.8.2-1.EL.19 | | `xorg-x11-Xdmx` | Red Hat:enterprise_linux:4::es | All versions | 0:6.8.2-1.EL.19 | Products: Fedoraproject Fedora Core, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Redhat Linux. ## How do I fix CVE-2007-3103? Apply the vendor's patch. ## Is CVE-2007-3103 being exploited? It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-3103 exists. Public exploit code: - X.Org xorg-x11-xfs 1.0.2-3.1 - Local Race Condition (exploitdb) ## Other vulnerabilities in Redhat Enterprise Linux - [CVE-2008-2944](https://insights.sbomify.com/CVE-2008-2944/): Use after free in n/a (medium 4.9) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2007-3103 and fix it if it is affected. What it is: CVE-2007-3103 is a medium-severity path traversal vulnerability in Redhat Enterprise Linux, published on 15 Jul 2007. It can only be exploited from the same machine or local network, with no action from the victim. Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-3103 exists. Affected product: Redhat Enterprise 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-2007-3103/ (Markdown: https://insights.sbomify.com/CVE-2007-3103/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2007-3103 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2007-3103 - OSV: https://osv.dev/vulnerability/CVE-2007-3103 --- From sbomify Insights: https://insights.sbomify.com/CVE-2007-3103/ Summaries are generated and may contain mistakes; the official description above is the record.