# CVE-2017-9271: proxy credentials written to log files by zypper > Local attackers can read HTTP proxy credentials from zypper log files, potentially gaining unauthorized access to network proxies. - **Severity:** Medium 4.0 (`CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/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:** 1 Mar 2018 - **Updated:** 16 Sep 2024 - **Also known as:** DEBIAN-CVE-2017-9271, GHSA-q4p8-c668-h326, SUSE-SU-2021:0109-1, SUSE-SU-2021:0770-1, SUSE-SU-2021:0956-1, SUSE-SU-2024:2080-1, UBUNTU-CVE-2017-9271, openSUSE-SU-2021:0059-1 ## What is CVE-2017-9271? CVE-2017-9271 is a medium-severity vulnerability in Fedoraproject Fedora, published on 1 Mar 2018. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description The commandline package update tool zypper writes HTTP proxy credentials into its logfile, allowing local attackers to gain access to proxies used. Weakness: CWE-532 (Insertion of Sensitive Information into Log File) ## Which versions are affected by CVE-2017-9271? It affects 2 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `libsigc++2` | SUSE:Enterprise Storage 6 | All versions | 2.10.0-3.7.1 | | `libsolv` | SUSE:Enterprise Storage 6 | All versions | 0.7.17-3.32.1 | | `libyui-ncurses-pkg` | SUSE:Enterprise Storage 6 | All versions | 2.48.9-7.7.1 | | `libyui-ncurses-pkg-doc` | SUSE:Enterprise Storage 6 | All versions | 2.48.9-7.7.1 | | `libyui-qt-pkg` | SUSE:Enterprise Storage 6 | All versions | 2.45.28-3.10.1 | | `libyui-qt-pkg-doc` | SUSE:Enterprise Storage 6 | All versions | 2.45.28-3.10.1 | | `libzypp` | SUSE:Enterprise Storage 6 | All versions | 17.25.8-3.48.1 | | `yast2-pkg-bindings` | SUSE:Enterprise Storage 6 | All versions | 4.1.3-3.10.3 | | `zypper` | SUSE:Enterprise Storage 6 | All versions | 1.14.43-3.34.1 | | `libsigc++2` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.10.0-3.7.1 | | `libsolv` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 0.7.17-3.32.1 | | `libyui-ncurses-pkg` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.48.9-7.7.1 | | `libyui-ncurses-pkg-doc` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.48.9-7.7.1 | | `libyui-qt-pkg` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.45.28-3.10.1 | | `libyui-qt-pkg-doc` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 2.45.28-3.10.1 | | `libzypp` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 17.25.8-3.48.1 | | `yast2-pkg-bindings` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 4.1.3-3.10.3 | | `zypper` | SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS | All versions | 1.14.43-3.34.1 | | `libsigc++2` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.10.0-3.7.1 | | `libsolv` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 0.7.17-3.32.1 | | `libyui-ncurses-pkg` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.48.9-7.7.1 | | `libyui-ncurses-pkg-doc` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.48.9-7.7.1 | | `libyui-qt-pkg` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.45.28-3.10.1 | | `libyui-qt-pkg-doc` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 2.45.28-3.10.1 | | `libzypp` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 17.25.8-3.48.1 | | `yast2-pkg-bindings` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 4.1.3-3.10.3 | | `zypper` | SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS | All versions | 1.14.43-3.34.1 | | `libsolv` | SUSE:Linux Enterprise High Performance Computing 15-ESPOS | All versions | 0.7.17-3.40.1 | | `libzypp` | SUSE:Linux Enterprise High Performance Computing 15-ESPOS | All versions | 17.25.8-3.66.1 | | `yast2-installation` | SUSE:Linux Enterprise High Performance Computing 15-ESPOS | All versions | 4.0.77-3.22.5 | | `zypper` | SUSE:Linux Enterprise High Performance Computing 15-ESPOS | All versions | 1.14.43-3.49.1 | | `libsolv` | SUSE:Linux Enterprise High Performance Computing 15-LTSS | All versions | 0.7.17-3.40.1 | | `libzypp` | SUSE:Linux Enterprise High Performance Computing 15-LTSS | All versions | 17.25.8-3.66.1 | | `yast2-installation` | SUSE:Linux Enterprise High Performance Computing 15-LTSS | All versions | 4.0.77-3.22.5 | | `zypper` | SUSE:Linux Enterprise High Performance Computing 15-LTSS | All versions | 1.14.43-3.49.1 | | `libsolv` | SUSE:Linux Enterprise Installer Updates 15 | All versions | 0.7.17-3.40.1 | | `libzypp` | SUSE:Linux Enterprise Installer Updates 15 | All versions | 17.25.8-3.66.1 | | `yast2-installation` | SUSE:Linux Enterprise Installer Updates 15 | All versions | 4.0.77-3.22.5 | | `zypper` | SUSE:Linux Enterprise Installer Updates 15 | All versions | 1.14.43-3.49.1 | | `libsigc++2` | SUSE:Linux Enterprise Installer Updates 15 SP1 | All versions | 2.10.0-3.7.1 | Products: Fedoraproject Fedora, Opensuse Zypper. ## How do I fix CVE-2017-9271? Apply the vendor's patch. ## Is CVE-2017-9271 being exploited? There is no known exploitation of CVE-2017-9271 in the wild and no public exploit code. ## Other vulnerabilities in Fedoraproject Fedora - [CVE-2024-4577](https://insights.sbomify.com/CVE-2024-4577/): PHP-CGI OS Command Injection (critical 9.8, exploited in the wild) - [CVE-2021-39226](https://insights.sbomify.com/CVE-2021-39226/): Grafana Authentication Bypass (critical 9.8, exploited in the wild) - [CVE-2019-5544](https://insights.sbomify.com/CVE-2019-5544/): VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow (critical 9.8, exploited in the wild) - [CVE-2024-4947](https://insights.sbomify.com/CVE-2024-4947/): Google Chromium V8 Type Confusion (critical 9.6, exploited in the wild) - [CVE-2024-4671](https://insights.sbomify.com/CVE-2024-4671/): Google Chromium Visuals Use-After-Free (critical 9.6, exploited in the wild) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2017-9271 and fix it if it is affected. What it is: CVE-2017-9271 is a medium-severity vulnerability in Fedoraproject Fedora, published on 1 Mar 2018. 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-2017-9271 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-2017-9271/ (Markdown: https://insights.sbomify.com/CVE-2017-9271/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2017-9271 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-9271 - OSV: https://osv.dev/vulnerability/CVE-2017-9271 --- From sbomify Insights: https://insights.sbomify.com/CVE-2017-9271/ Summaries are generated and may contain mistakes; the official description above is the record.