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Sicherheit: Zwei Probleme in runC
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in runC
ID: USN-4297-1
Distribution: Ubuntu
Plattformen: Ubuntu 18.04 LTS, Ubuntu 19.10
Datum: Mo, 9. März 2020, 17:53
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-16884
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19921
Applikationen: runC

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==========================================================================
Ubuntu Security Notice USN-4297-1
March 09, 2020

runc vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in runc.

Software Description:
- runc: Open Container Project

Details:

It was discovered that runC incorrectly checked mount targets. An attacker
with a malicious container image could possibly mount over the /proc
directory and escalate privileges. This issue only affected Ubuntu 18.04
LTS. (CVE-2019-16884)

It was discovered that runC incorrectly performed access control. An
attacker could possibly use this issue to escalate privileges.
(CVE-2019-19921)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
runc 1.0.0~rc10-0ubuntu1~19.10.2

Ubuntu 18.04 LTS:
runc 1.0.0~rc10-0ubuntu1~18.04.2

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4297-1
CVE-2019-16884, CVE-2019-19921

Package Information:
https://launchpad.net/ubuntu/+source/runc/1.0.0~rc10-0ubuntu1~19.10.2
https://launchpad.net/ubuntu/+source/runc/1.0.0~rc10-0ubuntu1~18.04.2


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