National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2010-0789 Detail

Description

fusermount in FUSE before 2.7.5, and 2.8.x before 2.8.2, allows local users to unmount an arbitrary FUSE filesystem share via a symlink attack on a mountpoint.

Source:  MITRE
Description Last Modified:  03/02/2010

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 3.3 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:P/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized modification
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (04/07/2010)

Red Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2010-0789 This issue affects Red Hat Enterprise Linux 5 because it ships fusermount suid root, however the impact of this flaw is minimized due to the fact that only members in group fuse may use it the executable is owned root:fuse and mode 4750. Red Hat Enterprise Linux 3 and 4 do not provide the fuse package. The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567633
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034518.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034580.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://sourceforge.net/projects/fuse/files/fuse-2.X/2.7.5/fuse-2.7.5.tar.gz/download Patch
http://sourceforge.net/projects/fuse/files/ReleaseNotes/fuse-2.8.3.html/view
http://www.debian.org/security/2010/dsa-1989 Patch
http://www.securityfocus.com/bid/37983 Patch
http://www.ubuntu.com/usn/USN-892-1
http://www.vupen.com/english/advisories/2010/1107
https://bugzilla.redhat.com/show_bug.cgi?id=532940 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=558833
https://exchange.xforce.ibmcloud.com/vulnerabilities/55945

Technical Details

Vulnerability Type (View All)

Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2010-0789
NVD Published Date:
03/02/2010
NVD Last Modified:
08/16/2017