{"answers":{"affected":"8 open source packages ship an affected version, including github.com/mattermost/mattermost/server/v8 and github.com/mattermost/mattermost-server/v6. It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-5969 in the wild and no public exploit code.","fix":"Upgrade github.com/mattermost/mattermost/server/v8 to a fixed version for your release line: 8.0.4, 8.1.3 or 9.0.1.","what":"CVE-2023-5969 is a medium-severity denial of service vulnerability in Mattermost Mattermost, published on 6 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-5969 and fix it if it is affected.\n\nWhat it is: CVE-2023-5969 is a medium-severity denial of service vulnerability in Mattermost Mattermost, published on 6 Nov 2023. 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-2023-5969 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 8.0.0; fixed in 8.0.4\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 8.0.0; fixed in 8.0.4\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 8.1.0; fixed in 8.1.3\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 8.1.0; fixed in 8.1.3\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 9.0.0; fixed in 9.0.1\n- github.com/mattermost/mattermost/server/v8 (Go): affected from 9.0.0; fixed in 9.0.1\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 7.8.12\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 7.8.12\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-2023-5969/ (Markdown: https://insights.sbomify.com/CVE-2023-5969/index.md)","id":"CVE-2023-5969","markdown":"https://insights.sbomify.com/CVE-2023-5969/index.md","name":"CVE-2023-5969","record":{"aliases":["GHSA-w496-f5qq-m58j"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"Mattermost chat platform","requires_auth":"none","summary":"An attacker can cause a denial of service by sending crafted requests to the redirect location API, exhausting server memory.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Mattermost","cpe":[{"product":"mattermost","vendor":"mattermost"}],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"cwes":[{"id":"CWE-400","name":"Uncontrolled Resource Consumption"}],"description":"Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.","ecosystems":["Go"],"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 via Link Preview in /api/v4/redirect_location","id":"CVE-2023-5969","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":"mattermost:mattermost","products":["mattermost:mattermost"],"type":"denial_of_service","year":"2023"},"n_packages":8,"n_references":1,"next":{"headline":"Auth bypass in SMA100","id":"CVE-2023-5970"},"packages":[{"ecosystem":"Go","fixed":["7.8.12"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["7.8.12"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["8.0.4"],"introduced":["8.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":null,"source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["8.0.4"],"introduced":["8.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["8.1.3"],"introduced":["8.1.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":null,"source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["8.1.3"],"introduced":["8.1.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["9.0.1"],"introduced":["9.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":null,"source":"GHSA-w496-f5qq-m58j"},{"ecosystem":"Go","fixed":["9.0.1"],"introduced":["9.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","source":"GHSA-w496-f5qq-m58j"}],"prev":{"headline":"Password hash in response body after username update","id":"CVE-2023-5968"},"products":["Mattermost"],"published":"2023-11-06","related":[{"cvss_score":9.1,"headline":"Path traversal in n/a","id":"CVE-2019-20851","kev_date_added":null,"published":"2020-06-19"},{"cvss_score":8.7,"headline":"Malicious remote can add users to arbitrary teams and channels","id":"CVE-2024-39274","kev_date_added":null,"published":"2024-08-01"},{"cvss_score":8.7,"headline":"Malicious remote can invite itself to an arbitrary local channel","id":"CVE-2024-39777","kev_date_added":null,"published":"2024-08-01"},{"cvss_score":8.1,"headline":"Timing attack during remote cluster token comparison when shared channels are enabled","id":"CVE-2024-39830","kev_date_added":null,"published":"2024-07-03"},{"cvss_score":8.1,"headline":"Lack of server certificate validation in websockets connection","id":"CVE-2023-3615","kev_date_added":null,"published":"2023-07-17"},{"cvss_score":7.5,"headline":"Information disclosure in n/a","id":"CVE-2020-13891","kev_date_added":null,"published":"2020-06-26"},{"cvss_score":7.4,"headline":"Existing local user overwritten by malicious remote","id":"CVE-2024-36492","kev_date_added":null,"published":"2024-08-01"}],"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":"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":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-09-17","vendors":["Mattermost"]},"summary":"An attacker can cause a denial of service by sending crafted requests to the redirect location API, exhausting server memory.","url":"https://insights.sbomify.com/CVE-2023-5969/"}