A local overflow exists in Lhaplus. Lhaplus fails to handle specialy crafted LZH files resulting in a heap overflow. With a specially crafted LZH file containing an "extended header size" in the file header set to 256 or more, an attacker can execute arbitrary commands resulting in a loss of integrity and/or availability.
Classification
Location:
Local Access Required
Attack Type:
Input Manipulation
Impact:
Loss of Integrity,
Loss of Availability
Exploit:
Exploit Unknown
Solution
Upgrade to version 1.53 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.