Executive Summary

Summary
Title postgresql-common vulnerabilities
Informations
Name USN-3476-1 First vendor Publication 2017-11-09
Vendor Ubuntu Last vendor Modification 2017-11-09
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 17.10 - Ubuntu 17.04 - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS

Summary:

postgresql-common could be made to overwrite files as the administrator.

Software Description: - postgresql-common: PostgreSQL database-cluster manager

Details:

Dawid Golunski discovered that the postgresql-common pg_ctlcluster script incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-1255)

It was discovered that the postgresql-common helper scripts incorrectly handled symlinks. A local attacker could possibly use this issue to escalate privileges. (CVE-2017-8806)

Update instructions:

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

Ubuntu 17.10:
postgresql-common 184ubuntu1.1

Ubuntu 17.04:
postgresql-common 179ubuntu0.1

Ubuntu 16.04 LTS:
postgresql-common 173ubuntu0.1

Ubuntu 14.04 LTS:
postgresql-common 154ubuntu1.1

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

References:
https://www.ubuntu.com/usn/usn-3476-1
CVE-2016-1255, CVE-2017-8806

Package Information:
https://launchpad.net/ubuntu/+source/postgresql-common/184ubuntu1.1
https://launchpad.net/ubuntu/+source/postgresql-common/179ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/173ubuntu0.1
https://launchpad.net/ubuntu/+source/postgresql-common/154ubuntu1.1

Original Source

Url : http://www.ubuntu.com/usn/USN-3476-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-59 Improper Link Resolution Before File Access ('Link Following')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 184
Application 1

Nessus® Vulnerability Scanner

Date Description
2017-11-13 Name : The remote Debian host is missing a security update.
File : debian_DLA-1169.nasl - Type : ACT_GATHER_INFO
2017-11-10 Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4029.nasl - Type : ACT_GATHER_INFO
2017-11-10 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3476-1.nasl - Type : ACT_GATHER_INFO
2017-01-03 Name : The remote Debian host is missing a security update.
File : debian_DLA-774.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2017-12-22 00:23:39
  • Multiple Updates
2017-12-08 21:23:56
  • Multiple Updates
2017-12-05 21:24:06
  • Multiple Updates
2017-11-13 13:27:38
  • Multiple Updates
2017-11-11 13:25:41
  • Multiple Updates
2017-11-10 00:21:58
  • First insertion