MaxDB IsAscii7 denial of service
| maxdb-isascii7dos (17633) |  Low Risk |
Description:
MaxDB is vulnerable to a denial of service attack, caused by improper validation of user-supplied input in the IsAscii7 function. A remote attacker could send a specially-crafted HTTP request containing a value larger than 0x7F in the Server field to the webdbm component to cause webdbm to crash.
Platforms Affected:
- MySQL, MaxDB 7.5
Remedy:
Upgrade to the latest version of MaxDB (7.5.00.18 or later), available from the MaxDB Download Web page. See References.
Consequences:
Denial of Service
References:
- iDEFENSE Security Advisory 10.06.04, MySQL MaxDB Web Agent WebDBM Server Name Denial of Service Vulnerability at http://www.idefense.com/application/poi/display?id=150&type=vulnerabilities&flashstatus=true.
- MaxDB Download Web page, Download MaxDB¿ by MySQL at http://dev.mysql.com/downloads/maxdb/7.5.00.html.
- BID-11346: MySQL MaxDB WebDBM Server Name Denial of Service Vulnerability
- CVE-2004-0931: MySQL MaxDB before 7.5.00.18 allows remote attackers to cause a denial of service (crash) via an HTTP request to webdbm with high ASCII values in the Server field, which triggers an assert error in the IsAscii7 function.
- OSVDB ID: 10532: MaxDB webdbm Server Field DoS
- SA12756: MaxDB Two Vulnerabilities
Reported:
Oct 07, 2004
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net