Some vulnerabilities have been reported in Lhaplus, which can be exploited by malicious people to compromise a user's system.
1) A vulnerability is caused due to the application loading libraries (e.g. 7-ZIP32.DLL) in an insecure manner. This can be exploited to load arbitrary libraries by tricking a user into e.g. opening a LZH or ZIP file located on a remote WebDAV or SMB share.
This vulnerability is confirmed in version 1.57. Prior versions may also be affected.
2) A vulnerability is caused due to the application loading an executable in an insecure manner and can be exploited by tricking a user into e.g. opening a LZH or ZIP file located on a remote SMB share.
This vulnerability is reported in version 1.57. Prior versions may also be affected.
Successful exploitation of the vulnerabilities allows execution of arbitrary code.
Solution: Update to version 1.58 or later.
Provided and/or discovered by: Mr. Makoto, Hitachi Incident Response Team.
Original Advisory: Lhaplus:
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Subject: Lhaplus Insecure Library and Executable Loading Vulnerabilities
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