CVE-2017-6458

Apple Security Advisory 2017-10-31-8

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.

Múltiples desbordamientos de búfer en las funciones ctl_put * en NTP en versiones anteriores a 4.2.8p10 y 4.3.x en versiones anteriores a 4.3.94 permiten a usuarios remotos autenticados tener un impacto no especificado a través de una variable larga.

Yihan Lian discovered that NTP incorrectly handled certain large request data values. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could possibly use this issue to perform a denial of service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 16.10. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-03-03 CVE Reserved
2017-03-27 CVE Published
2024-08-05 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (20)

URL	Tag	Source
http://packetstormsecurity.com/files/142284/Slackware-Security-Advisory-ntp-Updates.html	X_refsource_misc
http://seclists.org/fulldisclosure/2017/Nov/7	Mailing List
http://seclists.org/fulldisclosure/2017/Sep/62	Mailing List
http://www.securityfocus.com/archive/1/archive/1/540464/100/0/threaded	Mailing List
http://www.securityfocus.com/bid/97051	Third Party Advisory
http://www.securitytracker.com/id/1038123	Third Party Advisory
https://bto.bluecoat.com/security-advisory/sa147	X_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf	Third Party Advisory
https://support.apple.com/HT208144	Third Party Advisory
https://support.apple.com/kb/HT208144	X_refsource_confirm
https://support.f5.com/csp/article/K99254031	X_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us	Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11	X_refsource_misc
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2017-294	X_refsource_confirm

URL	Date	SRC

URL	Date	SRC
http://support.ntp.org/bin/view/Main/NtpBug3379	2023-11-07

URL	Date	SRC
http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu	2023-11-07
http://www.ubuntu.com/usn/USN-3349-1	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4B7BMVXV53EE7XYW2KAVETDHTP452O3Z	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KVLFA3J43QFIP4I7HE7KQ5FXSMJEKC6	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUPPICJXWL3AWQB7I3AWUC74YON7UING	2023-11-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Siemens Search vendor "Siemens"	Simatic Net Cp 443-1 Opc Ua Firmware Search vendor "Siemens" for product "Simatic Net Cp 443-1 Opc Ua Firmware"	*	-	Affected	in	Siemens Search vendor "Siemens"	Simatic Net Cp 443-1 Opc Ua Search vendor "Siemens" for product "Simatic Net Cp 443-1 Opc Ua"	-	-	Safe
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				< 4.2.8 Search vendor "Ntp" for product "Ntp" and version " < 4.2.8"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				>= 4.3.0 < 4.3.94 Search vendor "Ntp" for product "Ntp" and version " >= 4.3.0 < 4.3.94"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-beta1		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-beta2		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-beta3		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-beta4		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-beta5		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-rc1		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p1-rc2		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p2		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p2-rc1		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p2-rc2		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p2-rc3		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p3		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p3-rc1		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p3-rc2		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p3-rc3		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p4		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p5		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p6		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p7		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p8		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				4.2.8 Search vendor "Ntp" for product "Ntp" and version "4.2.8"		p9		Affected
Hpe Search vendor "Hpe"		Hpux-ntp Search vendor "Hpe" for product "Hpux-ntp"				< c.4.2.8.4.0 Search vendor "Hpe" for product "Hpux-ntp" and version " < c.4.2.8.4.0"		-		Affected
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				>= 10.8.0 < 10.13 Search vendor "Apple" for product "Mac Os X" and version " >= 10.8.0 < 10.13"		-		Affected