National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2009-1883 Detail

Description

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation, which allows local users to leverage euid 0 privileges to force a driver outage.

Source:  MITRE      Last Modified:  09/18/2009

Quick Info

CVE Dictionary Entry:
CVE-2009-1883
Original release date:
09/18/2009
Last revised:
09/28/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score:
4.4 MEDIUM
Vector:
(AV:L/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
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 (09/22/2009)

This issue did not affect kernel packages as shipped in Red Hat Enterprise Linux 5 and Red Hat Enterprise MRG 1. It was addressed in Red Hat Enterprise Linux 4 via https://rhn.redhat.com/errata/RHSA-2009-1438.html . This issue has been rated as having moderate security impact. It is not planned to be fixed in Red Hat Enterprise Linux 3, due to this product being in Production 3 of its maintenance life-cycle, where only qualified security errata of important or critical impact are addressed. For further information about Errata Support Policy, visit: http://www.redhat.com/security/updates/errata/

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html External Source SUSE SUSE-SA:2010:013
http://www.openwall.com/lists/oss-security/2009/09/15/1 External Source MLIST [oss-security] 20090915 CVE-2009-1883 kernel: missing capability check in z90crypt
http://www.openwall.com/lists/oss-security/2009/09/15/3 External Source MLIST [oss-security] 20090915 Re: CVE-2009-1883 kernel: missing capability check in z90crypt
http://www.redhat.com/support/errata/RHSA-2009-1438.html Vendor Advisory External Source REDHAT RHSA-2009:1438
http://www.ubuntu.com/usn/USN-852-1 External Source UBUNTU USN-852-1
https://bugzilla.redhat.com/show_bug.cgi?id=505983 Vendor Advisory External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=505983
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9513 External Source OVAL oval:org.mitre.oval:def:9513

References to Check Content

Identifier:
oval:org.mitre.oval:def:9513
Check System:
http://oval.mitre.org/XMLSchema/oval-definitions-5
Hyperlink:
http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:9513

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:o:linux:linux_kernel:2.6.9:*:*:*:*:*:*:*

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

Change History 2 change records found - show changes