National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-0787 Detail

Description

The ecryptfs_write_metadata_to_contents function in the eCryptfs functionality in the Linux kernel 2.6.28 before 2.6.28.9 uses an incorrect size when writing kernel memory to an eCryptfs file header, which triggers an out-of-bounds read and allows local users to obtain portions of kernel memory.

Source:  MITRE
Description Last Modified:  03/24/2009

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.9 MEDIUM
Vector: (AV:L/AC:L/Au:N/C:C/I:N/A:N) (V2 legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

Vendor Statements (disclaimer)

Official Statement from Red Hat (05/19/2009)

This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, and Red Hat Enterprise MRG. It was addressed in Red Hat Enterprise Linux 5 via: https://rhn.redhat.com/errata/RHSA-2009-0473.html .

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8faece5f906725c10e7a1f6caf84452abadbdc7b
http://rhn.redhat.com/errata/RHSA-2009-0473.html
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9 Vendor Advisory
http://www.securityfocus.com/archive/1/507985/100/0/threaded
http://www.securityfocus.com/bid/34216 Patch
http://www.securitytracker.com/id?1022177
http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0802 Vendor Advisory
http://www.vupen.com/english/advisories/2009/3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/49355
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11068
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8319

References to Check Content

Identifier:
oval:org.mitre.oval:def:11068
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:11068
Identifier:
oval:org.mitre.oval:def:8319
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:8319

Technical Details

Vulnerability Type (View All)

Change History

4 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2009-0787
NVD Published Date:
03/24/2009
NVD Last Modified:
10/10/2018