CVE-2017-1000367

CVE-2017-1000367 is a medium-severity vulnerability in Sudo Project Sudo with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-362.

Key facts

• Severity: Medium (CVSS 3.x base score 6.4)
• CVSS v2: 6.9
• EPSS exploit prediction: 8% (94th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-362
• Affected product: Sudo Project Sudo
• Published: 2017-06-05
• Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-1000367?

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.

How severe is CVE-2017-1000367?

CVE-2017-1000367 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over local access with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-1000367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-1000367?

CVE-2017-1000367 affects Sudo Project Sudo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-1000367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-1000367 published?

CVE-2017-1000367 was published on 2017-06-05 and last updated on 2026-06-17.

References

• 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://packetstormsecurity.com/files/142783/Sudo-get_process_ttyname-Race-Condition.html
• http://seclists.org/fulldisclosure/2017/Jun/3
• http://www.debian.org/security/2017/dsa-3867
• http://www.openwall.com/lists/oss-security/2017/05/30/16
• http://www.openwall.com/lists/oss-security/2022/12/22/5
• http://www.openwall.com/lists/oss-security/2022/12/22/6
• http://www.securityfocus.com/bid/98745
• http://www.securitytracker.com/id/1038582
• http://www.ubuntu.com/usn/USN-3304-1
• https://access.redhat.com/errata/RHSA-2017:1381
• https://access.redhat.com/errata/RHSA-2017:1382
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXEXC4NNIG2QOZY6N2YUK246KI3D3UQO/
• https://security.gentoo.org/glsa/201705-15
• https://www.exploit-db.com/exploits/42183/
• https://www.sudo.ws/alerts/linux_tty.html

Affected products (1)

• cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*

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