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Ubuntu: Security Advisory for containerd (USN-5012-1)
Information
Severity
Severity
Medium
Family
Family
Ubuntu Local Security Checks
CVSSv2 Base
CVSSv2 Base
5.0
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
The remote host is missing an update for the 'containerd' package(s) announced via the USN-5012-1 advisory.
Insight
Insight
It was discovered that containerd incorrectly handled file permission changes. If a user or automated system were tricked into launching a specially crafted container image, a remote attacker could change permissions on files on the host filesystem and possibly escalate privileges.
Affected Software
Affected Software
'containerd' package(s) on Ubuntu 20.10, Ubuntu 20.04 LTS, Ubuntu 18.04 LTS.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
Please install the updated package(s).