# CVE-2013-0287: Auth bypass in n/a > Authenticated users can bypass access restrictions in SSSD when using the Active Directory provider with simple_deny_groups configured. - **Severity:** Medium 4.9 (`AV:N/AC:M/Au:S/C:P/I:P/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:** 21 Mar 2013 - **Updated:** 6 Aug 2024 - **Also known as:** GHSA-h53f-x74p-cc2v, RHSA-2013:0663 ## What is CVE-2013-0287? CVE-2013-0287 is a medium-severity authentication bypass vulnerability in n/a, published on 21 Mar 2013. Any signed-in user can exploit it over the network, with no action from the victim. ### Official description The Simple Access Provider in System Security Services Daemon (SSSD) 1.9.0 through 1.9.4, when the Active Directory provider is used, does not properly enforce the simple_deny_groups option, which allows remote authenticated users to bypass intended access restrictions. Weakness: CWE-264 ## Which versions are affected by CVE-2013-0287? It affects 1 product. | Package | Ecosystem | Affected | Fixed in | | --- | --- | --- | --- | | `libipa_hbac` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-python` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_autofs` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo-devel` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `sssd` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-client` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-debuginfo` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-tools` | Red Hat:enterprise_linux:6::client | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-python` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_autofs` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo-devel` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `sssd` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-client` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-debuginfo` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-tools` | Red Hat:enterprise_linux:6::computenode | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-python` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_autofs` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_idmap-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_sudo-devel` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `sssd` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-client` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-debuginfo` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `sssd-tools` | Red Hat:enterprise_linux:6::server | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-devel` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.9.2-82.4.el6_4 | | `libipa_hbac-python` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.9.2-82.4.el6_4 | | `libsss_autofs` | Red Hat:enterprise_linux:6::workstation | All versions | 0:1.9.2-82.4.el6_4 | Products: Fedoraproject Sssd. ## How do I fix CVE-2013-0287? Apply the vendor's patch. ## Is CVE-2013-0287 being exploited? There is no known exploitation of CVE-2013-0287 in the wild and no public exploit code. ## Other vulnerabilities in n/a - [CVE-2022-4254](https://insights.sbomify.com/CVE-2022-4254/): Other in SSSD (high 8.8) - [CVE-2012-3462](https://insights.sbomify.com/CVE-2012-3462/): Auth bypass in sssd (high 8.8) - [CVE-2026-104048](https://insights.sbomify.com/CVE-2026-104048/): Sssd: sssd: authorization bypass via cross-domain username collision in hbac evaluation (medium 6.8) - [CVE-2015-5292](https://insights.sbomify.com/CVE-2015-5292/): Denial of service in n/a (medium 6.8) - [CVE-2026-12610](https://insights.sbomify.com/CVE-2026-12610/): Sssd: use-after-free crash in sssd' 'sssd_pam' process (medium 6.4) ## Fix prompt for AI coding agents ```text Check this codebase for CVE-2013-0287 and fix it if it is affected. What it is: CVE-2013-0287 is a medium-severity authentication bypass vulnerability in n/a, published on 21 Mar 2013. Any signed-in user can exploit it over the network, with no action from the victim. Exploitation: There is no known exploitation of CVE-2013-0287 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-2013-0287/ (Markdown: https://insights.sbomify.com/CVE-2013-0287/index.md) ``` ## Sources - CVE record: https://www.cve.org/CVERecord?id=CVE-2013-0287 - NVD: https://nvd.nist.gov/vuln/detail/CVE-2013-0287 - OSV: https://osv.dev/vulnerability/CVE-2013-0287 --- From sbomify Insights: https://insights.sbomify.com/CVE-2013-0287/ Summaries are generated and may contain mistakes; the official description above is the record.