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Postgres Alter Column Type Denial of Service

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Postgres Alter Column Type Denial of Service

Severity
7
CVSS
(AV:N/AC:H/Au:S/C:C/I:N/A:C)
Published
05/11/2007
Created
07/25/2018
Added
08/07/2007
Modified
05/27/2016

Description

The query planner in PostgreSQL before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2 does not verify that a table is compatible with a "previously made query plan," which allows remote authenticated users to cause a denial of service (server crash) and possibly access database content via an "ALTER COLUMN TYPE" SQL statement, which can be leveraged to read arbitrary memory from the server.

Solution(s)

  • postgres-upgrade-8_0_11
  • postgres-upgrade-8_1_7
  • postgres-upgrade-8_2_2

References

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