Vulnerability Details : CVE-2018-7182

The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mode 6 packet with a ntpd instance from 4.2.8p6 through 4.2.8p10.

Vulnerability category: Denial of service

Published 2018-03-06 20:29:01

Updated 2019-10-31 19:15:12

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-7182

Probability of exploitation activity in the next 30 days: 9.90%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 94 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-7182

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	nvd@nist.gov
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2018-7182

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-7182

https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc

Patch;Third Party Advisory

CVEs referencing this url
https://security.gentoo.org/glsa/201805-12

NTP: Multiple vulnerabilities (GLSA 201805-12) — Gentoo security
Third Party Advisory

CVEs referencing this url
https://www.synology.com/support/security/Synology_SA_18_13

Synology Inc.
Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20180626-0001/

March 2018 Network Time Protocol Daemon (ntpd) Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html

Slackware Security Advisory - ntp Updates ≈ Packet Storm
Third Party Advisory;VDB Entry

CVEs referencing this url
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us

HPESBUX03962 rev.1 - HP-UX NTP service, multiple vulnerabilities

CVEs referencing this url
https://usn.ubuntu.com/3707-1/

USN-3707-1: NTP vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
http://support.ntp.org/bin/view/Main/NtpBug3412

NtpBug3412 < Main < NTP
Mitigation;Vendor Advisory
https://www.exploit-db.com/exploits/45846/

ntpd 4.2.8p10 - Out-of-Bounds Read (PoC)
Exploit;Third Party Advisory;VDB Entry
http://www.securityfocus.com/bid/103191

NTP CVE-2018-7182 Information Disclosure Vulnerability
Third Party Advisory;VDB Entry
http://www.securityfocus.com/archive/1/541824/100/0/threaded

SecurityFocus
Third Party Advisory;VDB Entry

CVEs referencing this url

Products affected by CVE-2018-7182

NTP » NTP » Version: 4.2.8 Update P6
cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*
Matching versions
NTP » NTP » Version: 4.2.8 Update P7
cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*
Matching versions
NTP » NTP » Version: 4.2.8 Update P8
cpe:2.3:a:ntp:ntp:4.2.8:p8:*:*:*:*:*:*
Matching versions
NTP » NTP » Version: 4.2.8 Update P9
cpe:2.3:a:ntp:ntp:4.2.8:p9:*:*:*:*:*:*
Matching versions
NTP » NTP » Version: 4.2.8 Update P10
cpe:2.3:a:ntp:ntp:4.2.8:p10:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 17.10
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
Matching versions
Netapp » Element Software » Version: N/A
cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
Matching versions