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CVE-2019-8936

Published: 15 May 2019

NTP through 4.2.8p12 has a NULL Pointer Dereference.

From the Ubuntu Security Team

It was discovered that the fix for CVE-2018-7182 introduced a NULL pointer dereference into NTP. An attacker could use this vulnerability to cause a denial of service (crash).

Notes

Author	Note
leosilva	issue was introduced with the fix from CVE-2018-7182

Priority

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package	Release	Status
ntp Launchpad, Ubuntu, Debian	hirsute	Released (1:4.2.8p12+dfsg-3ubuntu4.1)
	upstream	Released (1:4.2.8p13-1)
	groovy	Released (1:4.2.8p12+dfsg-3ubuntu4.20.10.1)
	focal	Released (1:4.2.8p12+dfsg-3ubuntu4.20.04.1)
	bionic	Released (1:4.2.8p10+dfsg-5ubuntu7.3)
	trusty	Not vulnerable
	xenial	Not vulnerable
	cosmic	Ignored (end of life)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	impish	Released (1:4.2.8p12+dfsg-3ubuntu6)
	jammy	Released (1:4.2.8p12+dfsg-3ubuntu6)

Severity score breakdown

Parameter	Value
Base score	7.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Bugs

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