69394 : MySQL Temporary Table Expression Re-Evaluation DoS
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Disclosure Date
2010-09-10

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2010-3835" target="_blank">CVE</a>)</em> : MySQL 5.1 before 5.1.51 and 5.5 before 5.5.6 allows remote authenticated users to cause a denial of service (mysqld server crash) by performing a user-variable assignment in a logical expression that is calculated and stored in a temporary table for GROUP BY, then causing the expression value to be used after the table is created, which causes the expression to be re-evaluated instead of accessing its value from the table.

Classification

Attack Type: Denial of Service
Impact: Loss of Availability
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 5.1.51 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Unknown or Incomplete

References

CVE ID: 2010-3835 (see also: NVD)
Secunia Advisory ID: 40518 41716 42121 42875 42936 45054 45134 45305 46900 47082 47402
Bugtraq ID: 43676
Related OSVDB ID: 69387 69388 69389 69390 69391 69392 69393 69395 69396
Vendor Specific News/Changelog Entry: http://bugs.mysql.com/bug.php?id=55564
http://dev.mysql.com/doc/refman/5.1/en/news-5-1-51.html
http://dev.mysql.com/doc/refman/5.5/en/news-5-5-6.html
http://lists.debian.org/debian-security-announce/2011/msg00007.html
http://lists.opensuse.org/opensuse-updates/2011-11/msg00018.html
http://security.gentoo.org/glsa/glsa-201201-02.xml
http://www.ubuntu.com/usn/usn-1397-1/
https://bugzilla.redhat.com/show_bug.cgi?id=640819
https://hermes.opensuse.org/messages/12445264
Other Advisory URL: http://kb.askmonty.org/en/mariadb-5150-release-notes
http://www.debian.org/security/2011/dsa-2143
http://www.mandriva.com/security/advisories?name=MDVSA-2010:222
http://www.mandriva.com/security/advisories?name=MDVSA-2010:223
http://www.ubuntu.com/usn/USN-1017-1
Vendor Specific Advisory URL: http://support.apple.com/kb/HT4723
https://hermes.opensuse.org/messages/9594384
https://hermes.opensuse.org/messages/9594601
https://rhn.redhat.com/errata/RHSA-2010-0825.html
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2011-0164.html

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 4.0
Source: nvd.nist.gov | Generated: 2011-01-17 | Disagree?

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