Red Hat Virtualization 4 for Red Hat Enterprise Linux 7 update for redhat-release-virtualization-host and redhat-virtualization-host
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2020-10713 CVE-2020-14364 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local network |
| Public exploit |
Public exploit code for vulnerability #1 is available. Public exploit code for vulnerability #2 is available. |
| Vulnerable software Subscribe |
redhat-release-virtualization-host (Red Hat package) Operating systems & Components / Operating system package or component redhat-virtualization-host (Red Hat package) Operating systems & Components / Operating system package or component |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds Write
EUVDB-ID: #VU32922
Risk: Low
CVSSv3.1: 6.1 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-10713
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: Yes
Description
The vulnerability allows a local attacker to compromise vulnerable system.
The vulnerability exists due to a "BootHole" issue. An attacker with physical access can install persistent and stealthy bootkits or malicious bootloaders, trigger out-of-bounds write and execute arbitrary code on the target system.
MitigationInstall updates from vendor's website.
redhat-release-virtualization-host (Red Hat package): 4.3.4-1.el7ev - 4.3.6-5.el7ev
redhat-virtualization-host (Red Hat package): before 4.3.11-20200922.0.el7_9
External linkshttp://access.redhat.com/errata/RHSA-2020:4115
Q & A
Can this vulnerability be exploited remotely?
No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
2) Out-of-bounds write
EUVDB-ID: #VU45985
Risk: Medium
CVSSv3.1: 8.1 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-14364
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: Yes
DescriptionThe vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error within the USB emulator in QEMU. A remote user with access to guest operating system on the guest operating system can send specially crafted USB packets, trigger out-of-bounds write and execute arbitrary code on the host system.
MitigationInstall updates from vendor's website.
redhat-release-virtualization-host (Red Hat package): 4.3.4-1.el7ev - 4.3.6-5.el7ev
redhat-virtualization-host (Red Hat package): before 4.3.11-20200922.0.el7_9
External linkshttp://access.redhat.com/errata/RHSA-2020:4115
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
