{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2015-3240 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2015-3240 is a medium-severity denial of service vulnerability in n/a, published on 9 Nov 2015. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2015-3240 and fix it if it is affected.\n\nWhat it is: CVE-2015-3240 is a medium-severity denial of service vulnerability in n/a, published on 9 Nov 2015. 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-2015-3240 in the wild and no public exploit code.\n\nAffected product: n/a. 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-2015-3240/ (Markdown: https://insights.sbomify.com/CVE-2015-3240/index.md)","id":"CVE-2015-3240","markdown":"https://insights.sbomify.com/CVE-2015-3240/index.md","name":"CVE-2015-3240","record":{"aliases":["GHSA-m56r-f6p2-qgw5","RHSA-2015:1979"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":true,"product_category":"IPsec IKE daemon","requires_auth":"none","summary":"Remote attackers can cause a denial of service in libreswan or Openswan IKE daemons by sending a specific IKE packet with a zero DH value.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"redhat","cpe":[{"product":"libreswan","vendor":"libreswan"}],"cvss":{"score":4.3,"severity":"medium","source":"nvd","vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","version":"2.0"},"cwes":[{"id":"CWE-189","name":null}],"description":"The pluto IKE daemon in libreswan before 3.15 and Openswan before 2.6.45, when built with NSS, allows remote attackers to cause a denial of service (assertion failure and daemon restart) via a zero DH g^x value in a KE payload in a IKE packet.","ecosystems":["Red Hat:enterprise_linux:7::client","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":"Denial of service in n/a","id":"CVE-2015-3240","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"denial_of_service","year":"2015"},"n_packages":6,"n_references":7,"next":{"headline":"OpenStack Nova instance migration process does not stop when instance is deleted","id":"CVE-2015-3241"},"packages":[{"ecosystem":"Red Hat:enterprise_linux:7::client","fixed":["0:3.15-5.el7_1"],"introduced":["0"],"last_affected":[],"package":"libreswan","purl":"pkg:rpm/redhat/libreswan","source":"RHSA-2015:1979"},{"ecosystem":"Red Hat:enterprise_linux:7::client","fixed":["0:3.15-5.el7_1"],"introduced":["0"],"last_affected":[],"package":"libreswan-debuginfo","purl":"pkg:rpm/redhat/libreswan-debuginfo","source":"RHSA-2015:1979"},{"ecosystem":"Red Hat:enterprise_linux:7::server","fixed":["0:3.15-5.ael7b_1"],"introduced":["0"],"last_affected":[],"package":"libreswan","purl":"pkg:rpm/redhat/libreswan","source":"RHSA-2015:1979"},{"ecosystem":"Red Hat:enterprise_linux:7::server","fixed":["0:3.15-5.ael7b_1"],"introduced":["0"],"last_affected":[],"package":"libreswan-debuginfo","purl":"pkg:rpm/redhat/libreswan-debuginfo","source":"RHSA-2015:1979"},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","fixed":["0:3.15-5.el7_1"],"introduced":["0"],"last_affected":[],"package":"libreswan","purl":"pkg:rpm/redhat/libreswan","source":"RHSA-2015:1979"},{"ecosystem":"Red Hat:enterprise_linux:7::workstation","fixed":["0:3.15-5.el7_1"],"introduced":["0"],"last_affected":[],"package":"libreswan-debuginfo","purl":"pkg:rpm/redhat/libreswan-debuginfo","source":"RHSA-2015:1979"}],"prev":{"headline":"Integer overflow in n/a","id":"CVE-2015-3239"},"products":["n/a"],"published":"2015-11-09","related":[{"cvss_score":9.3,"headline":"Race condition in n/a","id":"CVE-2013-7283","kev_date_added":null,"published":"2014-01-09"},{"cvss_score":7.5,"headline":"IKEv2 Denial of Service via malformed fragmentation","id":"CVE-2026-12413","kev_date_added":null,"published":"2026-07-02"},{"cvss_score":7.5,"headline":"IKEv1 Denial of Service via RSA-SHA1 (PKCS#1 Version 1.5 Encrypted) authentication payload","id":"CVE-2026-50721","kev_date_added":null,"published":"2026-07-02"},{"cvss_score":7.5,"headline":"IKEv2 Denial of Service via RSA-SHA1 (PKCS#1 RSASSA-PKCS1-v1_5) authentication payload","id":"CVE-2026-50722","kev_date_added":null,"published":"2026-07-02"},{"cvss_score":7.5,"headline":"Denial of service in n/a","id":"CVE-2023-30570","kev_date_added":null,"published":"2023-05-28"},{"cvss_score":7.5,"headline":"Denial of service in libreswan","id":"CVE-2023-2295","kev_date_added":null,"published":"2023-05-17"},{"cvss_score":7.5,"headline":"Denial of service in libreswan","id":"CVE-2020-1763","kev_date_added":null,"published":"2020-05-12"}],"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":"2024-08-06","vendors":["n/a"]},"summary":"Remote attackers can cause a denial of service in libreswan or Openswan IKE daemons by sending a specific IKE packet with a zero DH value.","url":"https://insights.sbomify.com/CVE-2015-3240/"}