LiteSpeed Web Server mime-type information disclosure

litespeed-mimetype-info-disclosure (37380)

Low Risk

Description:

LiteSpeed Web Server could allow a remote attacker to obtain sensitive information, caused by a vulnerability in the way certain mime-types are handled. By sending a specially-crafted URL request with an appended null (%00) character and file extension, an attacker could exploit this vulnerability to view the source code of arbitrary scripts.

*CVSS:

Base Score:	5
Access Vector:	Network
Access Complexity:	Low
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	None
Availability Impact:	None
Temporal Score:	3.9
Exploitability:	Proof-of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of LiteSpeed (3.2.4 or later), available from the LiteSpeed Technologies Web site. See References.

References:

• LiteSpeed Technologies Web site: LiteSpeed Web Server.
• BID-26163: LiteSpeed Web Server Null-Byte Handling Information Disclosure Vulnerability
• CVE-2007-5654: LiteSpeed Web Server before 3.2.4 allows remote attackers to trigger use of an arbitrary MIME type for a file via a %00. sequence followed by a new extension, as demonstrated by reading PHP source code via requests for .php%00.txt files, aka Mime Type Injection.
• SA27302: LiteSpeed Web Server Script Source Code Disclosure

Platforms Affected:

• LiteSpeed Technologies LiteSpeed Web Server 3.2.3

Reported:

Oct 22, 2007

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

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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 IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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