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CVE-2018-7170
CVE information
Published
Last Modified
CVSSv2.0 Severity
CVSSv3.1 Severity
Impact Analysis
Description
ntpd in ntp 4.2.x before 4.2.8p7 and 4.3.x before 4.3.92 allows authenticated users that know the private symmetric key to create arbitrarily-many ephemeral associations in order to win the clock selection of ntpd and modify a victim's clock via a Sybil attack. This issue exists because of an incomplete fix for CVE-2016-1549..
CVSSv2.0 Score
- Severity
- Low
- Base Score
- 3.5/10
- Exploit Score
- 6.8/10
- Access Vector
- Network
- Access Complexity
- Medium
- Authentication Required
- Single
- Impact Score
- 2.9/10
- Confidentiality Impact
- None
- Availability Impact
- None
- Integrity Impact
- Partial
CVSSv3.1 Score
- Severity
- Medium
- Base Score
- 5.3/10
- Exploit Score
- 1.6/10
- Access Vector
- Network
- Access Complexity
- High
- Privileges Required
- Low
- Impact Score
- 3.6/10
- Confidentiality Impact
- None
- Availability Impact
- None
- Integrity Impact
- High
- Scope
- Unchanged
- User Interaction
- None
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* |
Yes
|
4.3.0 | 4.3.92 | |
cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:* |
Yes
|
4.2.0 | 4.2.8 | |
cpe:2.3:a:synology:diskstation_manager:*:*:*:*:*:*:*:* |
Yes
|
5.2 | 6.1.6-15266 | |
cpe:2.3:a:synology:router_manager:*:*:*:*:*:*:*:* |
Yes
|
1.1 | 1.1.6-6931-3 | |
cpe:2.3:a:synology:skynas:*:*:*:*:*:*:*:* |
Yes
|
- | 6.1.5-15254 | |
cpe:2.3:a:synology:virtual_diskstation_manager:*:*:*:*:*:*:* |
Yes
|
- | 6.1.6-15266 | |
cpe:2.3:a:netapp:hci:-:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:hpe:hpux-ntp:*:*:*:*:*:*:*:* |
Yes
|
- | c.4.2.8.4.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1550214
- http://www.securityfocus.com/bid/103194
- http://support.ntp.org/bin/view/Main/NtpBug3415
- http://packetstormsecurity.com/files/146631/Slackware-Security-Advisory-ntp-Updates.html
- https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.asc
- https://www.synology.com/support/security/Synology_SA_18_13
- https://security.netapp.com/advisory/ntap-20180626-0001/
- http://www.securityfocus.com/archive/1/541824/100/0/threaded
- https://security.gentoo.org/glsa/201805-12
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux0396