USN-4194-1: postgresql-common vulnerability
postgresql-common vulnerability
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
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.
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