{"answers":{"affected":"3 open source packages ship an affected version, including github.com/shiyanhui/dht. It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36562 exists.","fix":"No fix has been published for CVE-2020-36562 yet. Limit exposure of the affected software until one is available.","what":"CVE-2020-36562 is a high-severity denial of service vulnerability in github.com/shiyanhui/dht, published on 27 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2020-36562 and fix it if it is affected.\n\nWhat it is: CVE-2020-36562 is a high-severity denial of service vulnerability in github.com/shiyanhui/dht, published on 27 Dec 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36562 exists.\n\nAffected packages and fixed versions:\n- github.com/shiyanhui/dht (Go): affected all versions; no fix listed\n- github.com/shiyanhui/dht (Go): affected all versions up to 0.0.0-20201219151056-5a20f3199263; no fix listed\n- github.com/shiyanhui/dht (Go): affected all versions up to 0.0.0-20201219151056-5a20f3199263; no fix listed\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-2020-36562/ (Markdown: https://insights.sbomify.com/CVE-2020-36562/index.md)","id":"CVE-2020-36562","markdown":"https://insights.sbomify.com/CVE-2020-36562/index.md","name":"CVE-2020-36562","record":{"aliases":["GHSA-p6fg-723f-hgpw","GO-2020-0040"],"analysis":{"component_type":"library","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Go DHT library","requires_auth":"none","summary":"Attackers can cause application panics and denial of service by sending maliciously crafted messages to the DHT library.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Go","cpe":[{"product":"dht","vendor":"dht_project"}],"cvss":{"score":7.5,"severity":"high","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"cwes":[{"id":"CWE-617","name":"Reachable Assertion"}],"description":"Due to unchecked type assertions, maliciously crafted messages can cause panics, which may be used as a denial of service vector.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"Uncontrolled Resource Consumption in github.com/shiyanhui/dht","id":"CVE-2020-36562","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":null,"products":[],"type":"denial_of_service","year":"2020"},"n_packages":3,"n_references":2,"next":{"headline":"Weak hash (SHA-1) in github.com/RobotsAndPencils/go-saml","id":"CVE-2020-36563"},"packages":[{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":[],"package":"github.com/shiyanhui/dht","purl":"pkg:golang/github.com/shiyanhui/dht","source":"GO-2020-0040"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["0.0.0-20201219151056-5a20f3199263"],"package":"github.com/shiyanhui/dht","purl":null,"source":"GHSA-p6fg-723f-hgpw"},{"ecosystem":"Go","fixed":[],"introduced":["0"],"last_affected":["0.0.0-20201219151056-5a20f3199263"],"package":"github.com/shiyanhui/dht","purl":"pkg:golang/github.com/shiyanhui/dht","source":"GHSA-p6fg-723f-hgpw"}],"prev":{"headline":"Path traversal in github.com/yi-ge/unzip","id":"CVE-2020-36561"},"products":["github.com/shiyanhui/dht"],"published":"2022-12-27","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CC BY 4.0","name":"Go Vulnerability Database","prefix":"GO"},{"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":"yes","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-04-11","vendors":["github.com/shiyanhui/dht"]},"summary":"Attackers can cause application panics and denial of service by sending maliciously crafted messages to the DHT library.","url":"https://insights.sbomify.com/CVE-2020-36562/"}