[ GLSA 200705-11 ] MySQL: Two Denial of Service vulnerabilities

[GLSA]

Gentoo Linux Security Advisory

Title: MySQL: Two Denial of Service vulnerabilities (GLSA 200705-11)
Severity: normal
Exploitable: remote
Date: May 08, 2007
Bug(s): #170126, #171934
ID: 200705-11

Synopsis

Two Denial of Service vulnerabilities have been discovered in MySQL.

Background

MySQL is a popular multi-threaded, multi-user SQL server.

Affected Packages

Package: dev-db/mysql
Vulnerable: < 5.0.38
Unaffected: >= 5.0.38
Unaffected: < 5.0
Architectures: All supported architectures


Description

mu-b discovered a NULL pointer dereference in item_cmpfunc.cc when processing certain types of SQL requests. Sec Consult also discovered another NULL pointer dereference when sorting certain types of queries on the database metadata.

Impact

In both cases, a remote attacker could send a specially crafted SQL request to the server, possibly resulting in a server crash. Note that the attacker needs the ability to execute SELECT queries.

Workaround

There is no known workaround at this time.

Resolution

All MySQL users should upgrade to the latest version: