Lhaplus ARJ archive buffer overflow

lhaplus-arj-bo (36718)

High Risk

Description:

Lhaplus is vulnerable to a heap-based buffer overflow, caused by improper bounds checking of the ARJ archives. By sending a specially-crafted ARJ archive containing an overly long filename, a remote attacker could overflow a buffer and execute arbitrary code on the system.

*CVSS:

Base Score:	6.8
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Lhaplus (1.55 or later), available from the Lhaplus Web page. See References.

References:

• JVN#70734805: Lhaplus ARJ Buffer Overflow.
• Lhaplus Web page: HoeHoe.com.
• BID-25754: Lhaplus ARJ Archive Long Filename Handling Buffer Overflow Vulnerability
• CVE-2007-5048: Heap-based buffer overflow in Lhaplus before 1.55 allows remote attackers to execute arbitrary code via a long filename in an ARJ archive.
• SA26907: Lhaplus ARJ Long Filename Buffer Overflow Vulnerability

Platforms Affected:

• Lhaplus Lhaplus 1.53 and prior

Reported:

Sep 21, 2007

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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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