CVE-2010-3879

Severity: medium (CVSS 5.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 9.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2011-01-22 · updated 2026-06-16
Weakness: CWE-59

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.

Affected products

libfuse: through 2.8.5

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=602333
http://lists.fedoraproject.org/pipermail/package-announce/2011-February/053792.html
http://lists.grok.org.uk/pipermail/full-disclosure/2010-November/077247.html
http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
http://openwall.com/lists/oss-security/2010/11/04/8
http://openwall.com/lists/oss-security/2010/11/05/2
http://osvdb.org/70520
http://secunia.com/advisories/42961
http://secunia.com/advisories/42965
http://www.halfdog.net/Security/FuseTimerace/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:155
http://www.securityfocus.com/bid/44623

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