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TITLE:
Fedora update for cifs-utils

SECUNIA ADVISORY ID:
SA45371

VERIFY ADVISORY:
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http://secunia.com/advisories/45371/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45371

RELEASE DATE:
2011-07-26

DISCUSS ADVISORY:
http://secunia.com/advisories/45371/#comments

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http://secunia.com/advisories/45371/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=45371

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DESCRIPTION:
Fedora has issued an update for cifs-utils. This fixes two security
issues, which can be exploited by malicious, local users to cause a
DoS (Denial of Service).

The security issues are caused due to the "mount.cifs" and
"umount.cifs" utilities not properly taking resource limits into
account when e.g. adding new file system descriptions to "/etc/mtab",
which can be exploited to e.g. corrupt the "/etc/mtab" file by setting
a low RLIMIT_FSIZE limit.

SOLUTION:
Apply updated packages via the yum utility ("yum update cifs-utils").

PROVIDED AND/OR DISCOVERED BY:
Dan Rosenberg

ORIGINAL ADVISORY:
FEDORA-2011-9269:
http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062893.html

Dan Rosenberg:
http://thread.gmane.org/gmane.comp.security.oss.general/4374

OTHER REFERENCES:
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EXTENDED DESCRIPTION:
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EXTENDED SOLUTION:
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EXPLOIT:
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