CVE-2015-8817MEDIUM
New! CVE Severity Now Using CVSS v3
The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Description
QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.
References
http://git.qemu.org/?p=qemu.git;a=commit;h=23820dbfc79d1c9dce090b4c555994f2bb6a69b3
http://git.qemu.org/?p=qemu.git;a=commit;h=c3c1bb99d1c11978d9ce94d1bdcf0705378c1459
http://rhn.redhat.com/errata/RHSA-2016-2670.html
http://rhn.redhat.com/errata/RHSA-2016-2671.html
http://rhn.redhat.com/errata/RHSA-2016-2704.html
http://rhn.redhat.com/errata/RHSA-2016-2705.html
http://rhn.redhat.com/errata/RHSA-2016-2706.html
http://www.openwall.com/lists/oss-security/2016/03/01/1
http://www.openwall.com/lists/oss-security/2016/03/01/10
https://bugzilla.redhat.com/show_bug.cgi?id=1300771
https://lists.gnu.org/archive/html/qemu-stable/2016-01/msg00060.html
Details
Source: MITRE
Published: 2016-12-29
Updated: 2018-01-05
Type: CWE-125
Risk Information
CVSS v2
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
CVSS v3
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1.8
Severity: MEDIUM
Vulnerable Software
Configuration 1
OR
cpe:2.3:a:qemu:qemu:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:1.7.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.0:-:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.0:rc0:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:rc0:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:rc2:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:rc3:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.0:rc5:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:2.2.1:*:*:*:*:*:*:*
Tenable Plugins
| ID | Name | Product | Family | Severity |
|---|---|---|---|---|
| 93170 | SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1703-1) | Nessus | SuSE Local Security Checks | critical |
| 91980 | openSUSE Security Update : qemu (openSUSE-2016-839) | Nessus | SuSE Local Security Checks | critical |
| 91660 | SUSE SLED12 / SLES12 Security Update : qemu (SUSE-SU-2016:1560-1) | Nessus | SuSE Local Security Checks | critical |
| 91249 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:1318-1) | Nessus | SuSE Local Security Checks | critical |
| 90396 | SUSE SLED11 / SLES11 Security Update : xen (SUSE-SU-2016:0955-1) | Nessus | SuSE Local Security Checks | critical |
| 90186 | SUSE SLED12 / SLES12 Security Update : xen (SUSE-SU-2016:0873-1) | Nessus | SuSE Local Security Checks | critical |
| 90045 | Fedora 23 : xen-4.5.2-9.fc23 (2016-f4504e9445) | Nessus | Fedora Local Security Checks | high |
| 90036 | Fedora 22 : xen-4.5.2-9.fc22 (2016-38b20aa50f) | Nessus | Fedora Local Security Checks | high |