Race Condition Affecting sudo package, versions <1.8.9p5-1ubuntu1.4
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1404-SUDO-406957
- published5 Jun 2017
- disclosed5 Jun 2017
Introduced: 5 Jun 2017
CVE-2017-1000367 (opens in a new tab)How to fix?
Upgrade Ubuntu:14.04 sudo to version 1.8.9p5-1ubuntu1.4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream sudo package and not the sudo package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
Todd Miller's sudo version 1.8.20 and earlier is vulnerable to an input validation (embedded spaces) in the get_process_ttyname() function resulting in information disclosure and command execution.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-1000367
- https://www.sudo.ws/alerts/linux_tty.html
- http://www.debian.org/security/2017/dsa-3867
- https://security-tracker.debian.org/tracker/CVE-2017-1000367
- https://www.exploit-db.com/exploits/42183/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VXEXC4NNIG2QOZY6N2YUK246KI3D3UQO/
- https://security.gentoo.org/glsa/201705-15
- http://packetstormsecurity.com/files/142783/Sudo-get_process_ttyname-Race-Condition.html
- http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00077.html
- http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00078.html
- http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00079.html
- http://www.openwall.com/lists/oss-security/2017/05/30/16
- https://access.redhat.com/errata/RHSA-2017:1381
- https://access.redhat.com/errata/RHSA-2017:1382
- http://seclists.org/fulldisclosure/2017/Jun/3
- http://www.securityfocus.com/bid/98745
- http://www.securitytracker.com/id/1038582
- http://www.ubuntu.com/usn/USN-3304-1
- http://www.openwall.com/lists/oss-security/2022/12/22/5
- http://www.openwall.com/lists/oss-security/2022/12/22/6
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEXC4NNIG2QOZY6N2YUK246KI3D3UQO/
- https://www.exploit-db.com/exploits/42183