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MySQL Single-Row Subselect and INFORMATION_SCHEMA Denial of Service
Secunia Advisory: SA24483
Release Date: 2007-03-12
Last Update: 2008-03-21
Popularity: 10,394 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:MySQL 5.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in MySQL, which can be exploited by malicious users to cause a DoS (Denial of Service).

1) A vulnerability is caused due to a NULL-pointer dereference error within the filesort() function when processing certain single-row subselect queries sorted using the "ORDER BY" clause. This can be exploited to crash the service via a specially crafted SQL query.

2) A vulnerability is caused due to a NULL-pointer dereference error when processing certain queries related to INFORMATION_SCHEMA and derived tables. This can be exploited to crash the service via a specially crafted SQL query.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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