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      Last Modified:  03/24/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-0787
Original release date:
03/24/2009
Last revised:
09/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.9 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:C/I:N/A:N) (legend)
Impact Subscore:
6.9
Exploitability Subscore:
3.9
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
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

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 Type Source Name
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8faece5f906725c10e7a1f6caf84452abadbdc7b External Source CONFIRM 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 External Source REDHAT RHSA-2009:0473
http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9 Vendor Advisory External Source CONFIRM http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.28.9
http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded External Source BUGTRAQ 20091120 VMSA-2009-0016 VMware vCenter and ESX update release and vMA patch release address multiple security issue in third party components
http://www.securityfocus.com/bid/34216 Patch External Source BID 34216
http://www.securitytracker.com/id?1022177 External Source SECTRACK 1022177
http://www.vmware.com/security/advisories/VMSA-2009-0016.html External Source CONFIRM http://www.vmware.com/security/advisories/VMSA-2009-0016.html
http://www.vupen.com/english/advisories/2009/0802 Vendor Advisory External Source VUPEN ADV-2009-0802
http://www.vupen.com/english/advisories/2009/3316 External Source VUPEN ADV-2009-3316
https://exchange.xforce.ibmcloud.com/vulnerabilities/49355 External Source XF linux-kernel-ecryptfs-information-disclosure(49355)
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11068 External Source OVAL oval:org.mitre.oval:def:11068
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8319 External Source OVAL oval:org.mitre.oval:def:8319

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 3 change records found - show changes