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Debian Security Advisory DSA 1908-1 (samba)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to samba announced via advisory DSA 1908-1.
Insight
Insight
Several vulnerabilities have been discovered in samba, an implementation of the SMB/CIFS protocol for Unix systems, providing support for cross-platform file and printer sharing with other operating systems and more. The Common Vulnerabilities and Exposures project identifies the following problems: The mount.cifs utility is missing proper checks for file permissions when used in verbose mode. This allows local users to partly disclose the content of arbitrary files by specifying the file as credentials file and attempting to mount a samba share (CVE-2009-2948). A reply to an oplock break notification which samba doesn't expect could lead to the service getting stuck in an infinite loop. An attacker can use this to perform denial of service attacks via a specially crafted SMB request (CVE-2009-2906). A lack of error handling in case no home diretory was configured/specified for the user could lead to file disclosure. In case the automated [homes] share is enabled or an explicit share is created with that username, samba fails to enforce sharing restrictions which results in an attacker being able to access the file system from the root directory (CVE-2009-2813). For the oldstable distribution (etch), this problem will be fixed soon. For the stable distribution (lenny), this problem has been fixed in version 2:3.2.5-4lenny7. For the testing distribution (squeeze), this problem will be fixed soon. For the unstable distribution (sid), this problem has been fixed in version 2:3.4.2-1. We recommend that you upgrade your samba packages.
Solution
Solution
https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201908-1