You might have read the news this morning about a wormable code-execution bug discovered in the Samba free software re-implementation of the SMB/CIFS networking protocol, which existed in Samba for more than 7 years. According to the bug report, it would appear that Samba incorrectly handled shared libraries, thus allowing a remote attacker to upload a shared library to a writable share and then execute code on the affected, unpatched machines.

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