National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-0146 Detail

Current Description

The qcow2_open function in the (block/qcow2.c) in QEMU before 1.7.2 and 2.x before 2.0.0 allows local users to cause a denial of service (NULL pointer dereference) via a crafted image which causes an error, related to the initialization of the snapshot_offset and nb_snapshots fields.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 1.9 LOW
Vector: (AV:L/AC:M/Au:N/C:N/I:N/A:P) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.4


Access Vector (AV): Local
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://git.qemu.org/?p=qemu.git;a=commit;h=11b128f4062dd7f89b14abc8877ff20d41b28be9 Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0420.html Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-0421.html Third Party Advisory
http://www.debian.org/security/2014/dsa-3044
http://www.openwall.com/lists/oss-security/2014/03/26/8 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1078232 Issue Tracking Third Party Advisory

Technical Details

Vulnerability Type (View All)

  • NULL Pointer Dereference (CWE-476)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
1.7.1
 cpe:2.3:a:qemu:qemu:2.0.0:rc0:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:qemu:qemu:2.0.0:rc1:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:qemu:qemu:2.0.0:rc2:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:qemu:qemu:2.0.0:rc3:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-0146
NVD Published Date:
08/10/2017
NVD Last Modified:
11/03/2017