Vulnerability CVE-2010-0789
Published: 2010-03-02   Modified: 2012-02-13

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.

Type:

CWE-59

 (Improper Link Resolution Before File Access ('Link Following'))

CVSS2 => (AV:L/AC:M/Au:N/C:N/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
3.3/10
4.9/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
Partial
Affected software
FUSE -> FUSE 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=532940
http://www.securityfocus.com/bid/37983
http://www.debian.org/security/2010/dsa-1989
http://sourceforge.net/projects/fuse/files/fuse-2.X/2.7.5/fuse-2.7.5.tar.gz/download
https://bugzilla.redhat.com/show_bug.cgi?id=558833
http://xforce.iss.net/xforce/xfdb/55945
http://www.vupen.com/english/advisories/2010/1107
http://www.ubuntu.com/usn/USN-892-1
http://sourceforge.net/projects/fuse/files/ReleaseNotes/fuse-2.8.3.html/view
http://secunia.com/advisories/38437
http://secunia.com/advisories/38359
http://secunia.com/advisories/38287
http://secunia.com/advisories/38261
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00001.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034580.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-February/034518.html
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=567633
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