{"answers":{"affected":"8 open source packages ship an affected version, including github.com/mattermost/mattermost-server/v6. It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-2783 in the wild and no public exploit code.","fix":"Upgrade github.com/mattermost/mattermost-server/v6 to a fixed version for your release line: 6.0.0-20230511130429-1629a6ca7fed, 7.8.5, 7.10.1 or 7.9.4.","what":"CVE-2023-2783 is a medium-severity missing authorization vulnerability in Mattermost Mattermost, published on 16 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-2783 and fix it if it is affected.\n\nWhat it is: CVE-2023-2783 is a medium-severity missing authorization vulnerability in Mattermost Mattermost, published on 16 Jun 2023. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2023-2783 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 6.0.0-20230511130429-1629a6ca7fed\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 6.0.0-20230511130429-1629a6ca7fed\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 6.0.0; fixed in 7.8.5\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 6.0.0; fixed in 7.8.5\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 7.10.0; fixed in 7.10.1\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 7.10.0; fixed in 7.10.1\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 7.9.0; fixed in 7.9.4\n- github.com/mattermost/mattermost-server/v6 (Go): affected from 7.9.0; fixed in 7.9.4\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-2023-2783/ (Markdown: https://insights.sbomify.com/CVE-2023-2783/index.md)","id":"CVE-2023-2783","markdown":"https://insights.sbomify.com/CVE-2023-2783/index.md","name":"CVE-2023-2783","record":{"aliases":["GHSA-455c-vqrf-mghr"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["data_modify"],"network_reachable":"yes","non_default_config":false,"product_category":"Mattermost App Framework","requires_auth":"low_privilege","summary":"Attackers can modify post contents in Mattermost Apps Framework due to missing verification of webhook secrets.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Mattermost","cpe":[{"product":"mattermost","vendor":"mattermost"}],"cvss":{"score":4.3,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-862","name":"Missing Authorization"}],"description":"Mattermost Apps Framework fails to verify that a secret provided in the incoming webhook request allowing an attacker to modify the contents of the post sent by the Apps.","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":"App Framework does not checks for the secret provided in the incoming webhook request","id":"CVE-2023-2783","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":"mattermost:mattermost","products":["mattermost:mattermost"],"type":"missing_authorization","year":"2023"},"n_packages":8,"n_references":1,"next":{"headline":"Apps Framework allows install requests from regular members via an internal path","id":"CVE-2023-2784"},"packages":[{"ecosystem":"Go","fixed":["6.0.0-20230511130429-1629a6ca7fed"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["6.0.0-20230511130429-1629a6ca7fed"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.8.5"],"introduced":["6.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.8.5"],"introduced":["6.0.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.10.1"],"introduced":["7.10.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.10.1"],"introduced":["7.10.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.9.4"],"introduced":["7.9.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-455c-vqrf-mghr"},{"ecosystem":"Go","fixed":["7.9.4"],"introduced":["7.9.0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-455c-vqrf-mghr"}],"prev":{"headline":"Missing authorization in Acronis Cyber Infrastructure","id":"CVE-2023-2782"},"products":["Mattermost App Framework"],"published":"2023-06-16","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":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2024-12-06","vendors":["Mattermost"]},"summary":"Attackers can modify post contents in Mattermost Apps Framework due to missing verification of webhook secrets.","url":"https://insights.sbomify.com/CVE-2023-2783/"}