CVE-2015-5194

ntp: crash with crafted logconfig configuration command

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial of service (ntpd crash) via crafted logconfig commands.

La función log_config_command en el archivo ntp_parser.y en ntpd en NTP anterior a versión 4.2.7p42, permite a los atacantes remotos causar una denegación de servicio (bloqueo de ntpd) por medio de comandos logconfig creados.

It was found that ntpd could crash due to an uninitialized variable when processing malformed logconfig configuration commands.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-07-01 CVE Reserved
2015-10-27 CVE Published
2024-08-06 CVE Updated
2024-10-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation
CWE-787: Out-of-bounds Write

CAPEC

References (21)

URL	Tag	Source
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html	X_refsource_confirm
http://www.securityfocus.com/bid/76475	Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=isg3T1024157	Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21985122	Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21986956	Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21988706	Third Party Advisory
https://www-01.ibm.com/support/docview.wss?uid=swg21989542	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
http://bk1.ntp.org/ntp-dev/?PAGE=patch&REV=4c4fc141LwvcoGp-lLGhkAFp3ZvtrA	2023-02-13
http://www.openwall.com/lists/oss-security/2015/08/25/3	2023-02-13
https://bugzilla.redhat.com/show_bug.cgi?id=1254542	2016-11-03
https://github.com/ntp-project/ntp/commit/553f2fa65865c31c5e3c48812cfd46176cffdd27	2023-02-13

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170926.html	2023-02-13
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169167.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00048.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html	2023-02-13
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html	2023-02-13
http://rhn.redhat.com/errata/RHSA-2016-0780.html	2023-02-13
http://rhn.redhat.com/errata/RHSA-2016-2583.html	2023-02-13
http://www.debian.org/security/2015/dsa-3388	2023-02-13
http://www.ubuntu.com/usn/USN-2783-1	2023-02-13
https://access.redhat.com/security/cve/CVE-2015-5194	2016-11-03

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				21 Search vendor "Fedoraproject" for product "Fedora" and version "21"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				22 Search vendor "Fedoraproject" for product "Fedora" and version "22"		-		Affected
Suse Search vendor "Suse"		Linux Enterprise Debuginfo Search vendor "Suse" for product "Linux Enterprise Debuginfo"				11 Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"		sp2		Affected
Suse Search vendor "Suse"		Linux Enterprise Debuginfo Search vendor "Suse" for product "Linux Enterprise Debuginfo"				11 Search vendor "Suse" for product "Linux Enterprise Debuginfo" and version "11"		sp3		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				10 Search vendor "Suse" for product "Linux Enterprise Server" and version "10"		sp4, ltss		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp2, ltss		Affected
Suse Search vendor "Suse"		Linux Enterprise Server Search vendor "Suse" for product "Linux Enterprise Server"				11 Search vendor "Suse" for product "Linux Enterprise Server" and version "11"		sp3, ltss		Affected
Suse Search vendor "Suse"		Manager Search vendor "Suse" for product "Manager"				2.1 Search vendor "Suse" for product "Manager" and version "2.1"		-		Affected
Suse Search vendor "Suse"		Manager Proxy Search vendor "Suse" for product "Manager Proxy"				2.1 Search vendor "Suse" for product "Manager Proxy" and version "2.1"		-		Affected
Suse Search vendor "Suse"		Openstack Cloud Search vendor "Suse" for product "Openstack Cloud"				5 Search vendor "Suse" for product "Openstack Cloud" and version "5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				6.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Desktop Search vendor "Redhat" for product "Enterprise Linux Desktop"				7.0 Search vendor "Redhat" for product "Enterprise Linux Desktop" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Hpc Node Search vendor "Redhat" for product "Enterprise Linux Hpc Node"				6.0 Search vendor "Redhat" for product "Enterprise Linux Hpc Node" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Hpc Node Search vendor "Redhat" for product "Enterprise Linux Hpc Node"				7.0 Search vendor "Redhat" for product "Enterprise Linux Hpc Node" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				6.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Server Search vendor "Redhat" for product "Enterprise Linux Server"				7.0 Search vendor "Redhat" for product "Enterprise Linux Server" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				6.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Workstation Search vendor "Redhat" for product "Enterprise Linux Workstation"				7.0 Search vendor "Redhat" for product "Enterprise Linux Workstation" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				7.0 Search vendor "Debian" for product "Debian Linux" and version "7.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.04"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"		-		Affected
Ntp Search vendor "Ntp"		Ntp Search vendor "Ntp" for product "Ntp"				<= 4.2.7 Search vendor "Ntp" for product "Ntp" and version " <= 4.2.7"		p40		Affected