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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2011:1083
The remote host is missing updates announced in
advisory RHSA-2011:1083.

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.

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : High

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-3879
BugTraq ID: 44623
SuSE Security Announcement: SUSE-SR:2011:005 (Google Search)
XForce ISS Database: fuse-fusermount-tool-dos(62986)
Common Vulnerability Exposure (CVE) ID: CVE-2011-0541
Common Vulnerability Exposure (CVE) ID: CVE-2011-0542
Common Vulnerability Exposure (CVE) ID: CVE-2011-0543
CopyrightCopyright (c) 2011 E-Soft Inc.

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