Vulnerability Details : CVE-2014-0148
Qemu before 2.0 block driver for Hyper-V VHDX Images is vulnerable to infinite loops and other potential issues when calculating BAT entries, due to missing bounds checks for block_size and logical_sector_size variables. These are used to derive other fields like 'sectors_per_block' etc. A user able to alter the Qemu disk image could ise this flaw to crash the Qemu instance resulting in DoS.
Vulnerability category: Denial of service
Products affected by CVE-2014-0148
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_eus:6.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.5:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_tus:6.5:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:virtualization:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_openstack_platform:5:*:*:*:*:*:*:*
- cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-0148
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-0148
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2014-0148
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-0148
-
http://www.openwall.com/lists/oss-security/2014/03/26/8
oss-security - QEMU image format input validation fixes (multiple CVEs)Mailing List;Patch;Third Party Advisory
-
https://lists.gnu.org/archive/html/qemu-devel/2014-03/msg04994.html
[Qemu-devel] [PATCH for-2.0 00/47] block: image format input validationMailing List;Patch;Third Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2014-0421.html
RHSA-2014:0421 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2014-0420.html
RHSA-2014:0420 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=1d7678dec4761acdc43439da6ceda41a703ba1a6
QEMU · GitLab
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https://bugzilla.redhat.com/show_bug.cgi?id=1078212
1078212 – (CVE-2014-0148) CVE-2014-0148 Qemu: vhdx: bounds checking for block_size and logical_sector_sizeIssue Tracking;Patch;Third Party Advisory
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