{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2011-4415 in the wild and no public exploit code.","fix":"Upgrade to a fixed version.","what":"CVE-2011-4415 is a low-severity denial of service vulnerability in Apache Http Server, published on 8 Nov 2011. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2011-4415 and fix it if it is affected.\n\nWhat it is: CVE-2011-4415 is a low-severity denial of service vulnerability in Apache Http Server, published on 8 Nov 2011. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2011-4415 in the wild and no public exploit code.\n\nAffected product: Apache Http Server. 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-2011-4415/ (Markdown: https://insights.sbomify.com/CVE-2011-4415/index.md)","id":"CVE-2011-4415","markdown":"https://insights.sbomify.com/CVE-2011-4415/index.md","name":"CVE-2011-4415","record":{"aliases":["DEBIAN-CVE-2011-4415","GHSA-43r8-mvrp-6q9c"],"analysis":{"component_type":"server_software","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"Apache HTTP Server","requires_auth":"low_privilege","summary":"Local attackers can cause denial of service via crafted .htaccess files and HTTP headers when mod_setenvif is enabled.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"mitre","cpe":[{"product":"http_server","vendor":"apache"}],"cvss":{"score":1.2,"severity":"low","source":"nvd","vector":"AV:L/AC:H/Au:N/C:N/I:N/A:P","version":"2.0"},"cwes":[{"id":"CWE-20","name":"Improper Input Validation"}],"description":"The ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, does not restrict the size of values of environment variables, which allows local users to cause a denial of service (memory consumption or NULL pointer dereference) via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, related to (1) the \"len +=\" statement and (2) the apr_pcalloc function call, a different vulnerability than CVE-2011-3607.","ecosystems":[],"exploits":{"exploitdb":1,"first_seen":"2011-11-02","github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[{"date":"2011-11-02","kind":"exploitdb","ref":"41769","stars":null,"title":"Apache \u003c 2.0.64 / \u003c 2.2.21 mod_setenvif - Integer Overflow"}],"tier":"poc_unverified"},"has_fix":true,"headline":"Denial of service in n/a","id":"CVE-2011-4415","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"apache:http_server","products":["apache:http_server"],"type":"denial_of_service","year":"2011"},"n_packages":0,"n_references":5,"next":{"headline":"DO NOT USE THIS CANDIDATE NUMBER.","id":"CVE-2011-4416"},"packages":[],"prev":{"headline":"DO NOT USE THIS CANDIDATE NUMBER.","id":"CVE-2011-4414"},"products":["n/a"],"published":"2011-11-08","related":[{"cvss_score":9.8,"headline":"Apache HTTP Server Path Traversal","id":"CVE-2021-42013","kev_date_added":"2021-11-03","published":"2021-10-07"},{"cvss_score":9.1,"headline":"Apache HTTP Server Improper Escaping of Output","id":"CVE-2024-38475","kev_date_added":"2025-05-01","published":"2024-07-01"},{"cvss_score":9,"headline":"Apache HTTP Server-Side Request Forgery (SSRF)","id":"CVE-2021-40438","kev_date_added":"2021-12-01","published":"2021-09-16"},{"cvss_score":7.8,"headline":"Apache HTTP Server Privilege Escalation","id":"CVE-2019-0211","kev_date_added":"2021-11-03","published":"2019-04-08"},{"cvss_score":7.5,"headline":"Apache HTTP Server Path Traversal","id":"CVE-2021-41773","kev_date_added":"2021-11-03","published":"2021-10-05"},{"cvss_score":10,"headline":"Use after free in n/a","id":"CVE-2010-0425","kev_date_added":null,"published":"2010-03-05"},{"cvss_score":10,"headline":"Auth bypass in n/a","id":"CVE-2005-2700","kev_date_added":null,"published":"2005-09-06"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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)"},{"class":"attribution","licence":"GPL-2.0-or-later","name":"Exploit-DB"}],"ssvc":{"automatable":null,"exploitation":null,"technical_impact":null},"state":"PUBLISHED","updated":"2024-08-07","vendors":["n/a"]},"summary":"Local attackers can cause denial of service via crafted .htaccess files and HTTP headers when mod_setenvif is enabled.","url":"https://insights.sbomify.com/CVE-2011-4415/"}