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Ubuntu Security Notice 617-2

Posted Jul 1, 2008

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 617-2 - USN-617-1 fixed vulnerabilities in Samba. The upstream patch introduced a regression where under certain circumstances accessing large files might cause the client to report an invalid packet length error. This update fixes the problem. Samba developers discovered that nmbd could be made to overrun a buffer during the processing of GETDC logon server requests. When samba is configured as a Primary or Backup Domain Controller, a remote attacker could send malicious logon requests and possibly cause a denial of service. Alin Rad Pop of Secunia Research discovered that Samba did not properly perform bounds checking when parsing SMB replies. A remote attacker could send crafted SMB packets and execute arbitrary code.

tags | advisory, remote, denial of service, overflow, arbitrary, vulnerability

systems | linux, ubuntu

advisories | CVE-2008-1105, CVE-2007-4572

MD5 | 1a96557d0ecb7fc857c3b1519608d098

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