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Ubuntu Security Notice USN-4194-1
November 14, 2019
postgresql-common vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 19.04
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS
Summary:
postgresql-common could be made to create arbitrary directories.
Software Description:
– postgresql-common: PostgreSQL database-cluster manager
Details:
Rich Mirch discovered that the postgresql-common pg_ctlcluster script
incorrectly handled directory creation. A local attacker could possibly use
this issue to escalate privileges.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
postgresql-common 204ubuntu0.1
Ubuntu 19.04:
postgresql-common 199ubuntu0.1
Ubuntu 18.04 LTS:
postgresql-common 190ubuntu0.1
Ubuntu 16.04 LTS:
postgresql-common 173ubuntu0.3
In general, a standard system update will make all the necessary changes.
References:
https://usn.ubuntu.com/4194-1
CVE-2019-3466
Package Information:
https://launchpad.net/ubuntu/+source/postgresql-common/204ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/199ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/190ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/173ubuntu0.3
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