ArchLinuxASA-201810-2[ASA-201810-2] ntp: arbitrary code execution
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
91.1%
Arch Linux Security Advisory ASA-201810-2
Severity: Medium
Date : 2018-10-01
CVE-ID : CVE-2018-12327
Package : ntp
Type : arbitrary code execution
Remote : No
Link : https://security.archlinux.org/AVG-723
Summary
The package ntp before version 4.2.8.p12-1 is vulnerable to arbitrary
code execution.
Resolution
Upgrade to 4.2.8.p12-1.
pacman -Syu “ntp>=4.2.8.p12-1”
The problem has been fixed upstream in version 4.2.8.p12.
Workaround
None.
Description
Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11
allows an attacker to achieve code execution or escalate to higher
privileges via a long string as the argument for an IPv4 or IPv6
command-line parameter.
Impact
A local attacker is able to execute arbitrary code via specially
crafted command line options.
References
https://gist.github.com/fakhrizulkifli/9b58ed8e0354e8deee50b0eebd1c011f
http://bk.ntp.org/ntp-stable/?PAGE=patch&REV=5b3ba863G-42Ac2TFzCy-PZ8vqNfVA
https://security.archlinux.org/CVE-2018-12327
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
91.1%