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      Last Modified:  03/02/2010

Quick Info

CVE Dictionary Entry:
CVE-2010-0789
Original release date:
03/02/2010
Last revised:
08/16/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.3 LOW
Vector:
(AV:L/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore:
4.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
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 Type Source Name
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567633 External Source CONFIRM http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567633
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034518.html External Source FEDORA FEDORA-2010-1140
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034580.html External Source FEDORA FEDORA-2010-1159
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html External Source SUSE SUSE-SR:2010:003
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html External Source SUSE SUSE-SR:2010:011
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html External Source SUSE SUSE-SR:2010:013
http://sourceforge.net/projects/fuse/files/fuse-2.X/2.7.5/fuse-2.7.5.tar.gz/download Patch External Source CONFIRM http://sourceforge.net/projects/fuse/files/fuse-2.X/2.7.5/fuse-2.7.5.tar.gz/download
http://sourceforge.net/projects/fuse/files/ReleaseNotes/fuse-2.8.3.html/view External Source CONFIRM http://sourceforge.net/projects/fuse/files/ReleaseNotes/fuse-2.8.3.html/view
http://www.debian.org/security/2010/dsa-1989 Patch External Source DEBIAN DSA-1989
http://www.securityfocus.com/bid/37983 Patch External Source BID 37983
http://www.ubuntu.com/usn/USN-892-1 External Source UBUNTU USN-892-1
http://www.vupen.com/english/advisories/2010/1107 External Source VUPEN ADV-2010-1107
https://bugzilla.redhat.com/show_bug.cgi?id=532940 Patch External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=532940
https://bugzilla.redhat.com/show_bug.cgi?id=558833 External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=558833
https://exchange.xforce.ibmcloud.com/vulnerabilities/55945 External Source XF fuse-fusermount-dos(55945)

Technical Details

Vulnerability Type (View All)

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