Vulnerability in Sudo Project
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.080 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: +0.001
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.ubuntu.com/usn/USN-3304-1 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201705-15 (vendor-advisory, Third Party Advisory)
- www.securityfocus.com/bid/98745 (VDB Entry, Third Party Advisory, vdb-entry)
- www.sudo.ws/alerts/linux_tty.html (Vendor Advisory)
- seclists.org/fulldisclosure/2017/Jun/3 (mailing-list, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:1382 (vendor-advisory, Third Party Advisory)
- packetstormsecurity.com/files/142783/Sudo-get_process_ttyname-Race-Condition.ht… (Exploit, VDB Entry, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2017-05/msg00077.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2017-05/msg00078.html (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-1000367?
- CVE-2017-1000367 is a medium-severity vulnerability in Sudo Project, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 6.4/10. Published 2017-06-05.
- How severe is CVE-2017-1000367?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2017-1000367 known to be exploited?
- 63 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.