{"vulnerability": "CVE-2019-18634", "sightings": [{"uuid": "77546d3e-4f69-4a0d-8f1a-704760149705", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://bsky.app/profile/michaelxg.bsky.social/post/3lxpht2qxw22w", "content": "", "creation_timestamp": "2025-08-31T16:07:04.324015Z"}, {"uuid": "c61345ea-8b6f-439a-bc7c-e07fde91152b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "published-proof-of-concept", "source": "Telegram/Z6KDFyAddhR_WTTdj8KLR9BqWCW4LVkYFOJnFavxpUnMZmU", "content": "", "creation_timestamp": "2026-01-08T03:00:07.000000Z"}, {"uuid": "b7fe3981-42c0-4b48-a6a9-6d58a1a5f1f8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://gist.github.com/aw-junaid/ae4d93f4a6b7d5e657e92315bcfa005c", "content": "", "creation_timestamp": "2026-02-21T18:37:39.000000Z"}, {"uuid": "33fbf041-2c5c-462b-ae02-7e5182390273", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "published-proof-of-concept", "source": "https://t.me/tech_b0lt_Genona/5319", "content": "\u0422\u0443\u0442 \u0432 Ubuntu \u0440\u0435\u0448\u0438\u043b\u0438 \u0437\u0430\u0442\u0430\u0449\u0438\u0442\u044c \u0430\u043d\u0430\u043b\u043e\u0433 sudo, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043d\u0430 Rust \u043d\u0430\u043f\u0438\u0441\u0430\u043d\n\n\u0412\u043e\u043e\u0431\u0449\u0435 \u044d\u0442\u043e \u0437\u043d\u0430\u043a\u043e\u0432\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442, \u043f\u043e\u0442\u043e\u043c\u0443 \u0447\u0442\u043e\n\n1. \u0410\u043d\u0430\u043b\u043e\u0433 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\u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0430\u043d\u0430\u043b\u043e\u0433 \u0443\u0442\u0438\u043b\u0438\u0442\u044b sudo, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u043c sudo-rs \u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u0412 \u043c\u0430\u0440\u0442\u0435 \u0430\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0431\u044b\u043b\u043e \u043f\u0440\u0438\u043d\u044f\u0442\u043e \u0432 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0438 \u0437\u0430\u043c\u0435\u043d\u044b \u0443\u0442\u0438\u043b\u0438\u0442 GNU Coreutils \u043d\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 uutils. \u041d\u0430 \u0441\u0442\u0430\u0434\u0438\u0438 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0438\u044f \u043d\u0430\u0445\u043e\u0434\u044f\u0442\u0441\u044f \u0438\u043d\u0438\u0446\u0438\u0430\u0442\u0438\u0432\u044b \u043f\u043e \u0437\u0430\u043c\u0435\u043d\u0435 zlib \u0438 ntpd \u043d\u0430 zlib-rs \u0438 ntpd-rs, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0438\u044e Sequoia \u0432\u043c\u0435\u0441\u0442\u043e GnuPG \u0432 \u043f\u0430\u043a\u0435\u0442\u043d\u043e\u043c \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0435 APT.\n\n\u0412 sudo-rs \u043f\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0430 \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u0441 \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u0438\u043c\u0438 \u0443\u0442\u0438\u043b\u0438\u0442\u0430\u043c\u0438 sudo \u0438 su, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f 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\u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u043c\u044b\u0445 \u0441 \u043e\u0433\u043b\u044f\u0434\u043a\u043e\u0439 \u043d\u0430 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c, \u043d\u0430\u0434\u0451\u0436\u043d\u043e\u0441\u0442\u044c \u0438 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u044c. \u041f\u043e\u0441\u0442\u0430\u0432\u043a\u0430 \u0443\u0442\u0438\u043b\u0438\u0442, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust, \u0434\u0430\u0441\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043d\u0438\u0437\u0438\u0442\u044c \u0440\u0438\u0441\u043a \u043f\u043e\u044f\u0432\u043b\u0435\u043d\u0438\u044f \u043e\u0448\u0438\u0431\u043e\u043a \u043f\u0440\u0438 \u0440\u0430\u0431\u043e\u0442\u0435 \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043a \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u043e\u0441\u043b\u0435 \u0435\u0451 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0438 \u0432\u044b\u0445\u043e\u0434 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430. \u0415\u0441\u043b\u0438 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442 \u0431\u0443\u0434\u0435\u0442 \u043f\u0440\u0438\u0437\u043d\u0430\u043d \u0443\u0434\u0430\u0447\u043d\u044b\u043c, \u0442\u043e \u0443\u0442\u0438\u043b\u0438\u0442\u044b \u043d\u0430 Rust \u0431\u0443\u0434\u0443\u0442 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u044b \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 LTS-\u0432\u0435\u0442\u043a\u0435 Ubuntu 26.04.\n\u0412 Ubuntu 25.10 \u0440\u0435\u0448\u0435\u043d\u043e \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0430\u043d\u0430\u043b\u043e\u0433 sudo, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 Rust\nhttps://www.opennet.ru/opennews/art.shtml?num=63197\n\n\u041f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 Rust \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0447\u0430\u0441\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c. \u0412\u043e\u0442 \u043f\u0440\u0438\u043c\u0435\u0440\u044b CVE \u043e\u0442\u043d\u043e\u0441\u044f\u0449\u0438\u0435\u0441\u044f \u043a sudo\n\n- CVE-2019-18634 - \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 root \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 (https://github.com/saleemrashid/sudo-cve-2019-18634/)\n\n- CVE-2021-3156 - \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0435 root \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 (https://github.com/worawit/CVE-2021-3156)\n\n\u041d\u043e sudo-rs \u0442\u043e\u0447\u043d\u043e \u043f\u0440\u0435\u0434\u0441\u0442\u043e\u0438\u0442 \u0435\u0449\u0451 \u043c\u043d\u043e\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u044b, \u0447\u0442\u043e \u0431\u044b \"\u043e\u0431\u043a\u0430\u0442\u0430\u0442\u044c\u0441\u044f\" \u0441 \u043b\u043e\u0433\u0438\u043a\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b. \u0412\u043e\u0442, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, CVE-2023-42456\n\nFor example we could add a user to the system containing the username `../../../../bin/cp`. When logged in as a user with that name, that user could run `sudo -K` to clear their session record file. The session code then constructs the path to the session file by concatenating the username to the session file storage directory, resulting in a resolved path of `/bin/cp`. The code then clears that file, resulting in the `cp` binary effectively being removed from the system. An attacker needs to be able to login as a user with a constructed username. Given that such a username is unlikely to exist on an existing system, they will also need to be able to create the users with the constructed usernames...The `sudo -K` and `sudo -k` commands can run, even if a user has no sudo access.\nhttp://cve.org/CVERecord?id=CVE-2023-42456\n\nGitHub \u043f\u0440\u043e\u0435\u043a\u0442\u0430\nhttps://github.com/trifectatechfoundation/sudo-rs", "creation_timestamp": "2025-05-07T21:41:33.000000Z"}, {"uuid": "69a48510-ce4e-4ec3-9019-6016ed792ab8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://t.me/antichat/7798", "content": "\u041d\u043e\u0432\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 sudo, \u0437\u0430\u043a\u0440\u044b\u0432\u0430\u0435\u0442 \u0431\u0430\u0433\u0443 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0440\u0438\u0432\u0438\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 sudo \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u0445:\n\nhttps://www.sudo.ws/alerts/pwfeedback.html\n\nCVE:\n\nhttps://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18634", "creation_timestamp": "2020-02-04T11:14:26.000000Z"}, {"uuid": "a1975975-f288-4979-9844-e095e1977d17", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://t.me/antichat/7793", "content": "Yet Another Sudo Vulnerability!\n\nWhen 'pwfeedback' is enabled, a new Sudo bug could let low privileged Linux & macOS users (or malicious programs) execute arbitrary commands with 'root' privileges.\n\nDetails for CVE-2019-18634 \u27a4 https://thehackernews.com/2020/02/sudo-linux-vulnerability.html", "creation_timestamp": "2020-02-03T15:47:03.000000Z"}, {"uuid": "8294d8ed-7476-4409-8a7e-2c48f186e4f4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "published-proof-of-concept", "source": "https://t.me/Celestial_Pulse24/9015", "content": "TCM - Linux Privilege Escalation for Beginners2024\n\nLanguage : English\n\nsize : 1.4 GB\n\nWhat will I learn?\n\n\u26201) How to enumerate Linux systems manually and with tools\n\n\u26202) A multitude of privilege escalation techniques, including:\n\nKernel Exploits\nPassword Hunting\nFile Permissions\nSudo Attacks\nShell Escaping\nIntended Functionality\nLD_PRELOAD\nCVE-2019-14287\nCVE-2019-18634\nSUID Attacks\nShared Object Injection\nBinary Symlinks\nEnvironment Variables\nCapabilities Attacks\nScheduled Tasks\nNFS\nDocker\n\u26203) Tons of hands-on experience, including:\n\n11 vulnerable machines total\nCapstone challenge\nCustom lab with no installation required\n\n\u2620Download link\n\nhttps://mega.nz/file/tXNTALAJ#sHd67ibXDCNctt_5ElBMUfe79AYt7VQEEIibzOuj2UY", "creation_timestamp": "2024-09-11T09:54:54.000000Z"}, {"uuid": "4cafbd78-ffce-41e6-8bbc-ae6361a5d17d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://t.me/SellBooksOnline/552", "content": "TCM - Linux Privilege Escalation for Beginners2024\n\nLanguage : English\n\nsize : 1.4 GB\n\nWhat will I learn?\n\n\u26201) How to enumerate Linux systems manually and with tools\n\n\u26202) A multitude of privilege escalation techniques, including:\n\nKernel Exploits\nPassword Hunting\nFile Permissions\nSudo Attacks\nShell Escaping\nIntended Functionality\nLD_PRELOAD\nCVE-2019-14287\nCVE-2019-18634\nSUID Attacks\nShared Object Injection\nBinary Symlinks\nEnvironment Variables\nCapabilities Attacks\nScheduled Tasks\nNFS\nDocker\n\u26203) Tons of hands-on experience, including:\n\n11 vulnerable machines total\nCapstone challenge\nCustom lab with no installation required\n\nPrice - 10$", "creation_timestamp": "2024-09-01T21:03:52.000000Z"}, {"uuid": "b567e368-e59d-4269-9eb1-159dfeb1899f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "published-proof-of-concept", "source": "https://t.me/CyberSecurityTechnologies/572", "content": "#exploit\nCVE-2019-18634:\nBoF in Sudo via pwfeedback Testing\nhttps://dylankatz.com/Analysis-of-CVE-2019-18634\n]-> PoC: https://github.com/Plazmaz/CVE-2019-18634", "creation_timestamp": "2024-10-15T15:51:20.000000Z"}, {"uuid": "003eb2b7-e77b-4f7f-8aeb-081bbbb0a60c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://t.me/InfiniteSecrets/441", "content": "TCM - Linux Privilege Escalation for Beginners2024\n\nLanguage : English\n\nsize : 1.4 GB\n\nWhat will I learn?\n\n\u26201) How to enumerate Linux systems manually and with tools\n\n\u26202) A multitude of privilege escalation techniques, including:\n\nKernel Exploits\nPassword Hunting\nFile Permissions\nSudo Attacks\nShell Escaping\nIntended Functionality\nLD_PRELOAD\nCVE-2019-14287\nCVE-2019-18634\nSUID Attacks\nShared Object Injection\nBinary Symlinks\nEnvironment Variables\nCapabilities Attacks\nScheduled Tasks\nNFS\nDocker\n\u26203) Tons of hands-on experience, including:\n\n11 vulnerable machines total\nCapstone challenge\nCustom lab with no installation required\n\nPrice - 10$", "creation_timestamp": "2024-09-01T21:03:52.000000Z"}, {"uuid": "0f53cb68-69f2-404a-8472-16786360002a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "published-proof-of-concept", "source": "https://t.me/RdpFreeVpsFree/10715", "content": "TCM - Linux Privilege Escalation for Beginners2024\n\nLanguage : English\n\nsize : 1.4 GB\n\nWhat will I learn?\n\n\u26201) How to enumerate Linux systems manually and with tools\n\n\u26202) A multitude of privilege escalation techniques, including:\n\nKernel Exploits\nPassword Hunting\nFile Permissions\nSudo Attacks\nShell Escaping\nIntended Functionality\nLD_PRELOAD\nCVE-2019-14287\nCVE-2019-18634\nSUID Attacks\nShared Object Injection\nBinary Symlinks\nEnvironment Variables\nCapabilities Attacks\nScheduled Tasks\nNFS\nDocker\n\u26203) Tons of hands-on experience, including:\n\n11 vulnerable machines total\nCapstone challenge\nCustom lab with no installation required\n\n\u2620Download link\n\nhttps://mega.nz/file/tXNTALAJ#sHd67ibXDCNctt_5ElBMUfe79AYt7VQEEIibzOuj2U\n\nChannel : @freee_Hacking_courses", "creation_timestamp": "2024-08-29T22:03:14.000000Z"}, {"uuid": "0e251626-7ec9-4da9-b693-bd04410044f5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "seen", "source": "https://t.me/HackerOne/2610", "content": "Yet Another Sudo Vulnerability!\n\nWhen 'pwfeedback' is enabled, a new Sudo bug could let low privileged Linux & macOS users (or malicious programs) execute arbitrary commands with 'root' privileges.\n\nDetails for CVE-2019-18634 \u27a4 https://thehackernews.com/2020/02/sudo-linux-vulnerability.html", "creation_timestamp": "2020-02-04T01:20:17.000000Z"}, {"uuid": "794c98ee-3833-45f4-a5f8-929e9ac5411e", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2019-18634", "type": "exploited", "source": "https://t.me/thehackernews/589", "content": "Yet Another Sudo Vulnerability!\n\nWhen 'pwfeedback' is enabled, a new Sudo bug could let low privileged Linux & macOS users (or malicious programs) execute arbitrary commands with 'root' privileges.\n\nDetails for CVE-2019-18634 \u27a4 https://thehackernews.com/2020/02/sudo-linux-vulnerability.html", "creation_timestamp": "2020-02-03T16:46:01.000000Z"}]}