{"answers":{"affected":"It affects 2 products.","exploited":"There is no known exploitation of CVE-2018-13259 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2018-13259 is a critical vulnerability in Canonical Ubuntu Linux, published on 5 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2018-13259 and fix it if it is affected.\n\nWhat it is: CVE-2018-13259 is a critical vulnerability in Canonical Ubuntu Linux, published on 5 Sep 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2018-13259 in the wild and no public exploit code.\n\nAffected product: Canonical Ubuntu Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. 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.\n2. 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.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2018-13259/ (Markdown: https://insights.sbomify.com/CVE-2018-13259/index.md)","id":"CVE-2018-13259","markdown":"https://insights.sbomify.com/CVE-2018-13259/index.md","name":"CVE-2018-13259","record":{"aliases":["DEBIAN-CVE-2018-13259","GHSA-8vj4-q4ww-8jf3","RHSA-2019:2017","UBUNTU-CVE-2018-13259"],"analysis":{"component_type":"operating_system","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"zsh shell","requires_auth":"none","summary":"Truncation of long shebang lines in zsh may cause execution of unintended programs, potentially leading to arbitrary code execution.","user_interaction":"not_required","vuln_class":"other"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"debian","cpe":[{"product":"ubuntu_linux","vendor":"canonical"},{"product":"zsh","vendor":"zsh"}],"cvss":{"score":9.8,"severity":"critical","source":"nvd","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"An issue was discovered in zsh before 5.6. Shebang lines exceeding 64 characters were truncated, potentially leading to an execve call to a program name that is a substring of the intended one.","ecosystems":["Red Hat:enterprise_linux:7::client","Red Hat:enterprise_linux:7::computenode","Red Hat:enterprise_linux:7::server","Red Hat:enterprise_linux:7::workstation"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Other in zsh before 5.6","id":"CVE-2018-13259","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"canonical:ubuntu_linux","products":["canonical:ubuntu_linux"],"type":"other","year":"2018"},"n_packages":12,"n_references":7,"next":{"headline":"DO NOT USE THIS CANDIDATE NUMBER.","id":"CVE-2018-13260"},"packages":[{"ecosystem":"Red Hat:enterprise_linux:7::client","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh","purl":"pkg:rpm/redhat/zsh","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::client","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-debuginfo","purl":"pkg:rpm/redhat/zsh-debuginfo","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::client","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-html","purl":"pkg:rpm/redhat/zsh-html","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh","purl":"pkg:rpm/redhat/zsh","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-debuginfo","purl":"pkg:rpm/redhat/zsh-debuginfo","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::computenode","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-html","purl":"pkg:rpm/redhat/zsh-html","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::server","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh","purl":"pkg:rpm/redhat/zsh","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::server","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-debuginfo","purl":"pkg:rpm/redhat/zsh-debuginfo","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::server","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-html","purl":"pkg:rpm/redhat/zsh-html","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh","purl":"pkg:rpm/redhat/zsh","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-debuginfo","purl":"pkg:rpm/redhat/zsh-debuginfo","source":"RHSA-2019:2017"},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","fixed":["0:5.0.2-33.el7"],"introduced":["0"],"last_affected":[],"package":"zsh-html","purl":"pkg:rpm/redhat/zsh-html","source":"RHSA-2019:2017"}],"prev":{"headline":"Tarball was missing .htaccess files","id":"CVE-2018-13258"},"products":["zsh before 5.6"],"published":"2018-09-05","related":[{"cvss_score":9.8,"headline":"SaltStack Salt Authentication Bypass","id":"CVE-2020-11651","kev_date_added":"2021-11-03","published":"2020-04-30"},{"cvss_score":9.8,"headline":"OpenSMTPD Remote Code Execution","id":"CVE-2020-7247","kev_date_added":"2022-03-25","published":"2020-01-29"},{"cvss_score":9.8,"headline":"Exim Out-of-bounds Write","id":"CVE-2019-16928","kev_date_added":"2022-03-03","published":"2019-09-27"},{"cvss_score":9.8,"headline":"Exim Buffer Overflow","id":"CVE-2018-6789","kev_date_added":"2021-11-03","published":"2018-02-08"},{"cvss_score":9.8,"headline":"Oracle Java SE and Java SE Embedded Remote Code Execution","id":"CVE-2015-2590","kev_date_added":"2022-03-03","published":"2015-07-16"},{"cvss_score":9.8,"headline":"Oracle JRE Remote Code Execution","id":"CVE-2013-0422","kev_date_added":"2022-05-25","published":"2013-01-10"},{"cvss_score":9.8,"headline":"Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution","id":"CVE-2011-3544","kev_date_added":"2022-03-03","published":"2011-10-19"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"Red Hat","prefix":"RHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-05","vendors":["n/a"]},"summary":"Truncation of long shebang lines in zsh may cause execution of unintended programs, potentially leading to arbitrary code execution.","url":"https://insights.sbomify.com/CVE-2018-13259/"}