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).
Priority
Medium
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
ntp Launchpad, Ubuntu, Debian |
Upstream |
Released
(1:4.2.8p13-1)
|
| Ubuntu 21.10 (Impish Indri) |
Released
(1:4.2.8p12+dfsg-3ubuntu6)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Released
(1:4.2.8p12+dfsg-3ubuntu4.1)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Released
(1:4.2.8p12+dfsg-3ubuntu4.20.04.1)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Released
(1:4.2.8p10+dfsg-5ubuntu7.3)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Not vulnerable
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
|
Notes
| Author | Note |
|---|---|
| leosilva | issue was introduced with the fix from CVE-2018-7182 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8936
- http://bugs.ntp.org/show_bug.cgi?id=3565
- http://bk.ntp.org/ntp-stable/ntpd/ntp_control.c?PAGE=diffs&REV=5c8106e7wWtXdh0lzg1ytlWribBTcQ
- https://ubuntu.com/security/notices/USN-4563-1
- https://ubuntu.com/security/notices/USN-4563-2
- NVD
- Launchpad
- Debian