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
Description Last Modified:  12/24/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 3.7 LOW
Vector: (AV:L/AC:H/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 1.9


Access Vector (AV): Local
Access Complexity (AC): High
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
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

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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

Quick Info

CVE Dictionary Entry:
CVE-2009-4411
NVD Published Date:
12/24/2009
NVD Last Modified:
08/16/2017