Vulnerability CVE-2010-3879
Published: 2011-01-22   Modified: 2012-02-13

Description:
FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.

Type:

CWE-59

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
4.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
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=651183
http://www.halfdog.net/Security/FuseTimerace/
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=602333
https://bugzilla.novell.com/show_bug.cgi?id=651598
https://bugs.launchpad.net/bugs/670622
http://xforce.iss.net/xforce/xfdb/62986
http://www.vupen.com/english/advisories/2011/0302
http://www.vupen.com/english/advisories/2011/0181
http://www.ubuntu.com/usn/USN-1045-2
http://www.ubuntu.com/usn/USN-1045-1
http://www.securityfocus.com/bid/44623
http://www.mandriva.com/security/advisories?name=MDVSA-2013:155
http://secunia.com/advisories/42965
http://secunia.com/advisories/42961
http://osvdb.org/70520
http://openwall.com/lists/oss-security/2010/11/05/2
http://openwall.com/lists/oss-security/2010/11/04/8
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077247.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053792.html
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