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MySQL 'filesort()' Single Row Subselect Denial of Service

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MySQL 'filesort()' Single Row Subselect Denial of Service

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
03/12/2007
Created
07/25/2018
Added
08/01/2007
Modified
02/13/2015

Description

MySQL 5.x before 5.0.36 allows local users to cause a denial of service (database crash) by performing information_schema table subselects and using ORDER BY to sort a single-row result, which prevents certain structure elements from being initialized and triggers a NULL dereference in the filesort function.

Solution(s)

  • mysql-upgrade-5_0_36
  • mysql-upgrade-5_1_16

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