USN-2621-1: PostgreSQL vulnerabilities

Ubuntu Security Notice USN-2621-1

25th May, 2015

postgresql-9.1, postgresql-9.3, postgresql-9.4 vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.10
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in PostgreSQL.

Software description

  • postgresql-9.1
    – Object-relational SQL database

  • postgresql-9.3
    – Object-relational SQL database

  • postgresql-9.4
    – Object-relational SQL database

Details

Benkocs Norbert Attila discovered that PostgreSQL incorrectly handled
authentication timeouts. A remote attacker could use this flaw to cause the
unauthenticated session to crash, possibly leading to a security issue.
(CVE-2015-3165)

Noah Misch discovered that PostgreSQL incorrectly handled certain standard
library function return values, possibly leading to security issues.
(CVE-2015-3166)

Noah Misch discovered that the pgcrypto function could return different
error messages when decrypting using an incorrect key, possibly leading to
a security issue. (CVE-2015-3167)

Update instructions

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

Ubuntu 15.04:
postgresql-9.4

9.4.2-0ubuntu0.15.04
Ubuntu 14.10:
postgresql-9.4

9.4.2-0ubuntu0.14.10
Ubuntu 14.04 LTS:
postgresql-9.3

9.3.7-0ubuntu0.14.04
Ubuntu 12.04 LTS:
postgresql-9.1

9.1.16-0ubuntu0.12.04

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References

CVE-2015-3165,

CVE-2015-3166,

CVE-2015-3167

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