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Test ID:1.3.6.1.4.1.25623.1.0.870720
Category:Red Hat Local Security Checks
Title:RedHat Update for fuse RHSA-2011:1083-01
Summary:The remote host is missing an update for the 'fuse'; package(s) announced via the referenced advisory.
Description:Summary:
The remote host is missing an update for the 'fuse'
package(s) announced via the referenced advisory.

Vulnerability Insight:
FUSE (Filesystem in Userspace) can implement a fully functional file system
in a user-space program. These packages provide the mount utility,
fusermount, the tool used to mount FUSE file systems.

Multiple flaws were found in the way fusermount handled the mounting and
unmounting of directories when symbolic links were present. A local user in
the fuse group could use these flaws to unmount file systems, which they
would otherwise not be able to unmount and that were not mounted using
FUSE, via a symbolic link attack. (CVE-2010-3879, CVE-2011-0541,
CVE-2011-0542, CVE-2011-0543)

Note: The util-linux-ng RHBA-2011:0699 update must also be installed to
fully correct the above flaws.

All users should upgrade to these updated packages, which contain
backported patches to correct these issues.

Affected Software/OS:
fuse on Red Hat Enterprise Linux Desktop (v. 6),
Red Hat Enterprise Linux Server (v. 6),
Red Hat Enterprise Linux Workstation (v. 6)

Solution:
Please Install the Updated Packages.

CVSS Score:
5.8

CVSS Vector:
AV:N/AC:M/Au:N/C:N/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3879
BugTraq ID: 44623
http://www.securityfocus.com/bid/44623
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053792.html
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077247.html
http://www.mandriva.com/security/advisories?name=MDVSA-2013:155
http://www.halfdog.net/Security/FuseTimerace/
http://openwall.com/lists/oss-security/2010/11/04/8
http://openwall.com/lists/oss-security/2010/11/05/2
http://osvdb.org/70520
http://secunia.com/advisories/42961
http://secunia.com/advisories/42965
SuSE Security Announcement: SUSE-SR:2011:005 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://www.ubuntu.com/usn/USN-1045-1
http://www.ubuntu.com/usn/USN-1045-2
http://www.vupen.com/english/advisories/2011/0181
http://www.vupen.com/english/advisories/2011/0302
XForce ISS Database: fuse-fusermount-tool-dos(62986)
https://exchange.xforce.ibmcloud.com/vulnerabilities/62986
Common Vulnerability Exposure (CVE) ID: CVE-2011-0541
http://www.openwall.com/lists/oss-security/2011/02/02/2
http://www.openwall.com/lists/oss-security/2011/02/03/5
http://www.openwall.com/lists/oss-security/2011/02/08/4
Common Vulnerability Exposure (CVE) ID: CVE-2011-0542
Common Vulnerability Exposure (CVE) ID: CVE-2011-0543
CopyrightCopyright (c) 2012 Greenbone Networks GmbH

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