National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-4020 Detail

Description

Stack-based buffer overflow in the hfs subsystem in the Linux kernel 2.6.32 allows remote attackers to have an unspecified impact via a crafted Hierarchical File System (HFS) filesystem, related to the hfs_readdir function in fs/hfs/dir.c.

Source:  MITRE
Description Last Modified:  12/04/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: (AV:N/AC:L/Au:N/C:N/I:N/A:C) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Complete
Additional Information:
Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (02/04/2010)

This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise MRG as the affected driver is not enabled in this kernel. It was addressed in Red Hat Enterprise Linux 4 and 5 via https://rhn.redhat.com/errata/RHSA-2010-0076.html and https://rhn.redhat.com/errata/RHSA-2010-0046.html respectively. Red Hat Enterprise Linux 3 is now in Production 3 of the maintenance life-cycle, http://www.redhat.com/security/updates/errata, and this issue is rated as having low impact, therefore the fix for this issue is not currently planned to be included in the future updates.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00007.html
http://marc.info/?l=linux-mm-commits&m=125987755823047&w=2
http://support.avaya.com/css/P8/documents/100073666
http://userweb.kernel.org/~akpm/mmotm/broken-out/hfs-fix-a-potential-buffer-overflow.patch Patch
http://www.debian.org/security/2010/dsa-2005
http://www.novell.com/linux/security/advisories/2010_23_kernel.html
http://www.openwall.com/lists/oss-security/2009/12/04/1
https://bugzilla.redhat.com/show_bug.cgi?id=540736
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10091
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6750
https://rhn.redhat.com/errata/RHSA-2010-0046.html
https://rhn.redhat.com/errata/RHSA-2010-0095.html

References to Check Content

Identifier:
oval:org.mitre.oval:def:10091
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10091
Identifier:
oval:org.mitre.oval:def:6750
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:6750

Technical Details

Vulnerability Type (View All)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:o:linux:linux_kernel:2.6.32:*:*:*:*:*:*:*

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-2009-4020
NVD Published Date:
12/04/2009
NVD Last Modified:
09/18/2017