{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2024-45397 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2024-45397 yet. Limit exposure of the affected software until one is available.","what":"CVE-2024-45397 is a medium-severity vulnerability in h2o, published on 11 Oct 2024."},"fix_prompt":"Check this codebase for CVE-2024-45397 and fix it if it is affected.\n\nWhat it is: CVE-2024-45397 is a medium-severity vulnerability in h2o, published on 11 Oct 2024. \nExploitation: There is no known exploitation of CVE-2024-45397 in the wild and no public exploit code.\n\nAffected product: h2o. 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-2024-45397/ (Markdown: https://insights.sbomify.com/CVE-2024-45397/index.md)","id":"CVE-2024-45397","markdown":"https://insights.sbomify.com/CVE-2024-45397/index.md","name":"CVE-2024-45397","record":{"aliases":["DEBIAN-CVE-2024-45397","GHSA-jf2c-xjcp-wg4c","UBUNTU-CVE-2024-45397"],"analysis":null,"analysis_generated_by":null,"assigner":"GitHub_M","cpe":[{"product":"h2o","vendor":"dena"}],"cvss":{"score":5.9,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-290","name":"Authentication Bypass by Spoofing"},{"id":"CWE-284","name":"Improper Access Control"}],"description":"h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When an HTTP request using TLS/1.3 early data on top of TCP Fast Open or QUIC 0-RTT packets is received and the IP-address-based access control is used, the access control does not detect and prohibit HTTP requests conveyed by packets with a spoofed source address. This behavior allows attackers on the network to execute HTTP requests from addresses that are otherwise rejected by the address-based access control. The vulnerability has been addressed in commit 15ed15a. Users may disable the use of TCP FastOpen and QUIC to mitigate the issue.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":false,"headline":"H2O alllows bypassing address-based access control with 0-RTT","id":"CVE-2024-45397","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":null,"year":"2024"},"n_packages":0,"n_references":3,"next":{"headline":"Remote command execution through file upload in contao/core-bundle","id":"CVE-2024-45398"},"packages":[],"prev":{"headline":"Quicly assertion failures","id":"CVE-2024-45396"},"products":["h2o"],"published":"2024-10-11","related":[{"cvss_score":9.8,"headline":"Memory corruption in H2O","id":"CVE-2018-0608","kev_date_added":null,"published":"2018-06-26"},{"cvss_score":9.1,"headline":"Use after free in H2O","id":"CVE-2016-7835","kev_date_added":null,"published":"2017-06-09"},{"cvss_score":8.2,"headline":"H2O vulnerable to read from uninitialized pointer in the reverse proxy handler","id":"CVE-2023-30847","kev_date_added":null,"published":"2023-04-27"},{"cvss_score":7.5,"headline":"Denial of service in H2O","id":"CVE-2017-10868","kev_date_added":null,"published":"2017-12-22"},{"cvss_score":7.5,"headline":"Memory corruption in H2O","id":"CVE-2017-10869","kev_date_added":null,"published":"2017-12-22"},{"cvss_score":7.5,"headline":"Denial of service in H2O","id":"CVE-2017-10908","kev_date_added":null,"published":"2017-12-22"},{"cvss_score":7.5,"headline":"Denial of service in H2O","id":"CVE-2016-4864","kev_date_added":null,"published":"2017-05-12"}],"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)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-10-11","vendors":["h2o"]},"summary":null,"url":"https://insights.sbomify.com/CVE-2024-45397/"}