runc vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in runc.
Software Description
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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
Several security issues were fixed in runc.
Software Description
- runc - Open Container Project
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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Continue reading...