Vulnerability Details : CVE-2017-1000367
Potential exploit
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 category: Information leak
Products affected by CVE-2017-1000367
- cpe:2.3:a:sudo_project:sudo:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-1000367
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-1000367
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
6.4
|
MEDIUM | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST |
CWE ids for CVE-2017-1000367
-
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-1000367
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https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VXEXC4NNIG2QOZY6N2YUK246KI3D3UQO/
[SECURITY] Fedora 25 Update: sudo-1.8.20p2-1.fc25 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00079.html
[security-announce] openSUSE-SU-2017:1455-1: important: Security updateThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:1382
RHSA-2017:1382 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2017:1381
RHSA-2017:1381 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://seclists.org/fulldisclosure/2017/Jun/3
Full Disclosure: Qualys Security Advisory - CVE-2017-1000367 in Sudo's get_process_ttyname() for LinuxMailing List;Third Party Advisory
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https://security.gentoo.org/glsa/201705-15
sudo: Privilege escalation (GLSA 201705-15) — Gentoo securityThird Party Advisory
-
http://www.securitytracker.com/id/1038582
Sudo get_process_ttyname() Command Validation Flaw Lets Local Users Obtain Root Privileges - SecurityTrackerExploit;Third Party Advisory;VDB Entry
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http://www.openwall.com/lists/oss-security/2017/05/30/16
oss-security - Qualys Security Advisory - CVE-2017-1000367 in Sudo's get_process_ttyname() for LinuxExploit;Mailing List;Third Party Advisory
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https://www.exploit-db.com/exploits/42183/
Sudo 1.8.20 - 'get_process_ttyname()' Local Privilege EscalationThird Party Advisory;VDB Entry
-
http://www.openwall.com/lists/oss-security/2022/12/22/5
oss-security - Re: [Linux] /proc/pid/stat parsing bugs
-
http://www.ubuntu.com/usn/USN-3304-1
USN-3304-1: Sudo vulnerability | Ubuntu security noticesThird Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00077.html
[security-announce] SUSE-SU-2017:1446-1: important: Security update forThird Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2017-05/msg00078.html
[security-announce] SUSE-SU-2017:1450-1: important: Security update forThird Party Advisory
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https://www.sudo.ws/alerts/linux_tty.html
Potential file overwrite or tty access on LinuxVendor Advisory
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http://packetstormsecurity.com/files/142783/Sudo-get_process_ttyname-Race-Condition.html
Sudo get_process_ttyname() Race Condition ≈ Packet StormExploit;Third Party Advisory;VDB Entry
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http://www.securityfocus.com/bid/98745
Sudo '/src/ttyname.c' Local Privilege Escalation VulnerabilityThird Party Advisory;VDB Entry
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http://www.openwall.com/lists/oss-security/2022/12/22/6
oss-security - Re: [Linux] /proc/pid/stat parsing bugs
-
http://www.debian.org/security/2017/dsa-3867
Debian -- Security Information -- DSA-3867-1 sudoThird Party Advisory
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