# CVE-2019-3693: Local privilege escalation from user wwwrun to root in the packaging of mailman > Local attackers can escalate privileges from wwwrun to root and modify arbitrary files via symlink following in SUSE mailman packaging. - **Severity:** High 7.7 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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:** 24 Jan 2020 - **Updated:** 17 Sep 2024 - **Also known as:** GHSA-mjp9-97x3-23vj, SUSE-SU-2019:14230-1, SUSE-SU-2019:3076-1, openSUSE-SU-2020:0148-1, openSUSE-SU-2020:0156-1 ## What is CVE-2019-3693? CVE-2019-3693 is a high-severity path traversal vulnerability in Opensuse Backports Sle, published on 24 Jan 2020. It can only be exploited from the same machine or local network, with no action from the victim. ### Official description A symlink following vulnerability in the packaging of mailman in SUSE Linux Enterprise Server 11, SUSE Linux Enterprise Server 12; openSUSE Leap 15.1 allowed local attackers to escalate their privileges from user wwwrun to root. Additionally arbitrary files could be changed to group mailman. This issue affects: SUSE Linux Enterprise Server 11 mailman versions prior to 2.1.15-9.6.15.1. SUSE Linux Enterprise Server 12 mailman versions prior to 2.1.17-3.11.1. openSUSE Leap 15.1 mailman version 2.1.29-lp151.2.14 and prior versions. Weakness: CWE-59 (Improper Link Resolution Before File Access) ## Which versions are affected by CVE-2019-3693? It affects 2 products. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `mailman` | SUSE:Enterprise Storage 5 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:HPE Helion OpenStack 8 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Point of Sale 11 SP3 | All versions | 2.1.15-9.6.15.1 | | `mailman` | SUSE:Linux Enterprise Server 11 SP4-LTSS | All versions | 2.1.15-9.6.15.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP1-LTSS | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP2-BCL | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP2-LTSS | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP3-BCL | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP3-LTSS | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP4 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server 12 SP5 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server for SAP Applications 12 SP1 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server for SAP Applications 12 SP2 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server for SAP Applications 12 SP3 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server for SAP Applications 12 SP4 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Linux Enterprise Server for SAP Applications 12 SP5 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:OpenStack Cloud 7 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:OpenStack Cloud 8 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:OpenStack Cloud Crowbar 8 | All versions | 2.1.17-3.11.1 | | `mailman` | SUSE:Package Hub 15 SP1 | All versions | 2.1.29-bp151.5.3.1 | | `mailman` | openSUSE:Leap 15.1 | All versions | 2.1.29-lp151.3.3.1 | Products: Opensuse Backports Sle, Suse Mailman. ## How do I fix CVE-2019-3693? Apply the vendor's patch. ## Is CVE-2019-3693 being exploited? There is no known exploitation of CVE-2019-3693 in the wild and no public exploit code. ## Other vulnerabilities in Opensuse Backports Sle - [CVE-2020-12641](https://insights.sbomify.com/CVE-2020-12641/): Roundcube Webmail Remote Code Execution (critical 9.8, exploited in the wild) - [CVE-2020-12640](https://insights.sbomify.com/CVE-2020-12640/): Path traversal in n/a (critical 9.8) - [CVE-2020-8233](https://insights.sbomify.com/CVE-2020-8233/): Command injection in EdgeSwitch firmware v1.9.0 and prior (high 8.8) - [CVE-2020-8026](https://insights.sbomify.com/CVE-2020-8026/): inn: non-root owned files (high 8.4) - [CVE-2020-15229](https://insights.sbomify.com/CVE-2020-15229/): Path traversal and files overwrite with unsquashfs (high 8.2) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2019-3693 and fix it if it is affected. What it is: CVE-2019-3693 is a high-severity path traversal vulnerability in Opensuse Backports Sle, published on 24 Jan 2020. 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-2019-3693 in the wild and no public exploit code. Affected product: Opensuse Backports Sle. 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-2019-3693/ (Markdown: https://insights.sbomify.com/CVE-2019-3693/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2019-3693 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-3693 - OSV: https://osv.dev/vulnerability/CVE-2019-3693 --- From sbomify Insights: https://insights.sbomify.com/CVE-2019-3693/ Summaries are generated and may contain mistakes; the official description above is the record.