Perlbal ClientProxy.pm denial of service

perlbal-clientproxy-dos (41538)

Low Risk

Description:

Perlbal is vulnerable to a denial of service, caused by an error in ClientProxy.pm when buffer_uploads is enabled. By sending a zero-byte chunked upload, a remote attacker could crash the application.

*CVSS:

Base Score:	4.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	Partial
Temporal Score:	3.4
Exploitability:	Proof-of-Concept
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Perlbal (1.70 or later), available from the Perlbal Web page. See References.

References:

• Perlbal Changelog, 1.70: 2008-03-08: 1.70: 2008-03-08.
• Perlbal Web page: Module Version: 1.70.
• Red Hat Bugzilla Bug 439054: CVE-2008-1532 Perlbal crashes upon empty buffered upload attempts.
• BID-28491: Perlbal Buffered Upload Remote Denial Of Service Vulnerability
• CVE-2008-1532: Perlbal before 1.70, when buffered upload is enabled, allows remote attackers to cause a denial of service (crash) via a zero-byte chunked upload.
• SA29565: Perlbal Chunked Uploads Denial of Service and Directory Traversal
• VUPEN/ADV-2008-1045: Perlbal Denial of Service and Directory Traversal Vulnerabilities

Platforms Affected:

• Perlbal Perlbal prior to 1.70

Reported:

Mar 31, 2008

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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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