Vulnerability Details : CVE-2016-0727
Potential exploit
The crontab script in the ntp package before 1:4.2.6.p3+dfsg-1ubuntu3.11 on Ubuntu 12.04 LTS, before 1:4.2.6.p5+dfsg-3ubuntu2.14.04.10 on Ubuntu 14.04 LTS, on Ubuntu Wily, and before 1:4.2.8p4+dfsg-3ubuntu5.3 on Ubuntu 16.04 LTS allows local users with access to the ntp account to write to arbitrary files and consequently gain privileges via vectors involving statistics directory cleanup.
Products affected by CVE-2016-0727
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-0727
3.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-0727
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-0727
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-0727
-
https://bugzilla.redhat.com/show_bug.cgi?id=1382369
1382369 – (CVE-2016-0727) CVE-2016-0727 ntp: Privilege escalation via cronjobIssue Tracking
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http://packetstormsecurity.com/files/141913/NTP-Privilege-Escalation.html
NTP Privilege Escalation ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://bugs.launchpad.net/ubuntu/+source/ntp/+bug/1528050
Bug #1528050 “NTP statsdir cleanup cronjob insecure” : Bugs : ntp package : UbuntuIssue Tracking;Patch;Vendor Advisory
-
http://www.securitytracker.com/id/1034808
ntp Debian/Ubuntu Cron Job Lets Local Users Obtain Root Privileges - SecurityTrackerThird Party Advisory;VDB Entry
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http://www.ubuntu.com/usn/USN-3096-1
USN-3096-1: NTP vulnerabilities | Ubuntu security noticesVendor Advisory
-
http://www.securityfocus.com/bid/81552
NTP Cronjob Script CVE-2016-0727 Local Privilege Escalation VulnerabilityVDB Entry;Third Party Advisory
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