Vulnerability Name:

CCN-110676

Published:2016-02-16
Updated:2016-02-16
Summary:NTP is vulnerable to a denial of service, caused by a buffer overflow in the ctl_putdata() function. By sending an overly long string argument, a remote authenticated attacker could exploit this vulnerability to cause the ntpd daemon to crash.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: NTP Web site
NTP

Source: XF
Type: UNKNOWN
ntp-ctlputdata-dos(110676)

Source: CCN
Type: Packet Storm Security [02-16-2016]
Ntpd ntp-4.2.6p5 ctl_putdata() Buffer Overflow

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [02-15-2016]

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/a:ntp:ntp:4.2.6:p5:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    ntp ntp 4.2.6 p5