Ubuntu alert USN-4563-2 (ntp)
| From: | Avital Ostromich <avital.ostromich@canonical.com> | |
| To: | ubuntu-security-announce@lists.ubuntu.com | |
| Subject: | [USN-4563-2] NTP vulnerability | |
| Date: | Tue, 20 Apr 2021 11:14:49 -0400 | |
| Message-ID: | <d37d6ce1-0f26-add0-0586-2f3ae22caf03@canonical.com> |
========================================================================== Ubuntu Security Notice USN-4563-2 April 20, 2021 ntp vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.10 - Ubuntu 20.04 LTS Summary: NTP could be made to crash. Software Description: - ntp: Network Time Protocol daemon and utility programs Details: USN-4563-1 fixed a vulnerability in NTP. This update provides the corresponding update for Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: 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). Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: ntp 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 ntpdate 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 sntp 1:4.2.8p12+dfsg-3ubuntu4.20.10.1 Ubuntu 20.04 LTS: ntp 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 ntpdate 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 sntp 1:4.2.8p12+dfsg-3ubuntu4.20.04.1 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-4563-2 https://ubuntu.com/security/notices/USN-4563-1 CVE-2019-8936 Package Information: https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p12+dfsg-... https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p12+dfsg-... -- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...