drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in NTP (Aktualisierung)
Name: |
Zwei Probleme in NTP (Aktualisierung) |
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ID: |
USN-4563-2 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 20.04 LTS, Ubuntu 20.10 |
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Datum: |
Di, 20. April 2021, 22:58 |
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Referenzen: |
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7182
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8936 |
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Applikationen: |
NTP |
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Update von: |
Zwei Probleme in NTP |
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Originalnachricht |
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============2224734369473765735== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="hZIMFTavxUMpREsCCQuHXdEshKHLA7HSS"
This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --hZIMFTavxUMpREsCCQuHXdEshKHLA7HSS Content-Type: multipart/mixed; boundary="uOx7ARQ8Gqx6BBHuWMBvH5gTlW0ErrSrB"; protected-headers="v1" From: Avital Ostromich <avital.ostromich@canonical.com> Reply-To: Ubuntu Security <security@ubuntu.com> To: ubuntu-security-announce@lists.ubuntu.com Message-ID: <d37d6ce1-0f26-add0-0586-2f3ae22caf03@canonical.com> Subject: [USN-4563-2] NTP vulnerability
--uOx7ARQ8Gqx6BBHuWMBvH5gTlW0ErrSrB Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: base64 Content-Language: en-US
========================================================================== 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-3ubuntu4.20.10.1 https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p12+dfsg-3ubuntu4.20.04.1
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