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Home arrow SecurityAlert Database

Arrow  Topic :

MySQL command-line client HTML injection vulnerability


Arrow  SecurityAlert : 4357
Arrow  CVE : CVE-2008-4456
Arrow  CWE : CWE-79
Arrow  SecurityRisk : Low  Security Risk Low  (About)
Arrow  Remote Exploit : Yes
Arrow  Local Exploit : No
Arrow  Victim interaction required : No
Arrow  Exploit Available : No
Arrow  Credit : Thomas Henlich
Arrow  Published : 08.10.2008

Arrow  Affected Software : mysql:mysql:5.0.26
mysql:mysql:5.0.27
mysql:mysql:5.0.30
mysql:mysql:5.0.30:sp1
mysql:mysql:5.0.32
mysql:mysql:5.0.33
mysql:mysql:5.0.36
mysql:mysql:5.0.37
mysql:mysql:5.0.38
mysql:mysql:5.0.4
mysql:mysql:5.0.41
mysql:mysql:5.0.42
mysql:mysql:5.0.44
mysql:mysql:5.0.45



Arrow  Advisory Content :  

MYSQL COMMAND-LINE CLIENT HTML INJECTION VULNERABILITY

Thomas Henlich <thomas (at) henlich (dot) de [email concealed]>

DESCRIPTION

The mysql command-line client does not quote HTML special characters
like < in its output. This allows an attacker who is able to write data
into a table to hide or modify records in the output, and to inject
potentially dangerous code, e. g. Javascript to perform cross-site
scripting or cross-site request forgery attacks.

HOW TO REPRODUCE

$ mysql --html --execute "select '<a>'" ...
<TABLE BORDER=1><TR><TH><a></TH></TR><TR><TD><a></TD></TR></TABLE>

AFFECTED VERSIONS

All.

RESOLUTION

Users are advised to install the available patch from
http://bugs.mysql.com/bug.php?id=27884.

WORKAROUND

If another resolution is not feasible, users are advised to modify their
SELECT statements to filter out the characters < and &:

SELECT REPLACE(REPLACE(...,'&','&'),'<','<') AS ...;

This workaround is incompatible with the described resolution and should
be reversed after installation of the patch.

TIMELINE

2007-04-17 Opened bug on mysql.com
2008-05-01 Patch available

RESOURCES

The bug is filed on http://bugs.mysql.com/bug.php?id=27884.

This advisory is available from
http://www.henlich.de/it-security/mysql-command-line-client-html-injecti
on-vulnerability.



Arrow  References :

http://www.securityfocus.com/archive/1/archive/1/496877/100/0/threaded
http://www.securityfocus.com/archive/1/archive/1/496842/100/0/threaded
http://www.henlich.de/it-security/mysql-command-line-client-html-injection-vulnerability
http://secunia.com/advisories/32072
http://bugs.mysql.com/bug.php?id=27884




Arrow  Feedback :

If you have additional information or notice any errors regarding this security advisory, please use contact form or email us at info()securityreason()com.
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