National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-4411 Detail

Description

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.

Source:  MITRE      Last Modified:  12/24/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-4411
Original release date:
12/24/2009
Last revised:
08/16/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.7 LOW
Vector:
(AV:L/AC:H/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
1.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
High
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (01/21/2010)

Not vulnerable. This issue did not affect the versions of acl as shipped with Red Hat Enterprise Linux 3, 4, or 5.

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076 External Source CONFIRM http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=499076
http://git.savannah.gnu.org/cgit/acl.git/commit/?id=63451a0 External Source CONFIRM http://git.savannah.gnu.org/cgit/acl.git/commit/?id=63451a0
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00000.html External Source SUSE SUSE-SR:2010:002
http://oss.sgi.com/bugzilla/show_bug.cgi?id=790 External Source CONFIRM http://oss.sgi.com/bugzilla/show_bug.cgi?id=790
http://www.mandriva.com/security/advisories?name=MDVSA-2009:345 External Source MANDRIVA MDVSA-2009:345
http://www.openwall.com/lists/oss-security/2009/12/23/2 External Source MLIST [oss-security] 20091223 CVE request: acl 2.2.47 always follows symlinks
http://www.securityfocus.com/bid/37455 Patch External Source BID 37455
https://exchange.xforce.ibmcloud.com/vulnerabilities/55004 External Source XF acl-setfacl-getfacl-symlink(55004)

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:xfs:acl:2.2.47:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History 2 change records found - show changes