Published: 24/12/2009 Updated: 17/08/2017

CVSS v2 Base Score: 3.7 | Impact Score: 6.4 | Exploitability Score: 1.9

VMScore: 329

Vector: AV:L/AC:H/Au:N/C:P/I:P/A:P

The (1) setfacl and (2) getfacl commands in XFS acl 2.2.47, when running in recursive (-R) mode, follow symbolic links even when the --physical (aka -P) or -L option is specified, which might allow local users to modify the ACL for arbitrary files or directories via a symlink attack.

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xfs acl 2.2.47

Debian Bug report logs - #499076 CVE-2009-4411: Physical walk no longer ignores all symlinks Package: acl; Maintainer for acl is Guillem Jover <guillem@debianorg>; Source for acl is src:acl (PTS, buildd, popcon) Reported by: Kevin Shanahan <kmshanah@ucwborgau> Date: Tue, 16 Sep 2008 00:54:02 UTC Severity: serious ...

CWE-264 http://secunia.com/advisories/37907 http://www.securityfocus.com/bid/37455 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076 http://oss.sgi.com/bugzilla/show_bug.cgi?id=790 http://www.openwall.com/lists/oss-security/2009/12/23/2 http://git.savannah.gnu.org/cgit/acl.git/commit/?id=63451a0 http://osvdb.org/61302 http://www.mandriva.com/security/advisories?name=MDVSA-2009:345 http://secunia.com/advisories/38420 http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html https://exchange.xforce.ibmcloud.com/vulnerabilities/55004 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076 https://nvd.nist.gov

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CVE-2009-4411

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