Out-of-bounds write in qemu (Alpine package)
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2020-14364 |
| CWE-ID | CWE-787 |
| Exploitation vector | Local network |
| Public exploit | Public exploit code for vulnerability #1 is available. |
| Vulnerable software Subscribe |
qemu (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Out-of-bounds write
EUVDB-ID: #VU45985
Risk: Medium
CVSSv3.1: 7.8 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/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 update from vendor's website.
Vulnerable software versionsqemu (Alpine package): 4.0.1-r0 - 5.1.0-r0
External linkshttp://git.alpinelinux.org/aports/commit/?id=245ac703f93a253e3b42199aa12ceb152dd27706
http://git.alpinelinux.org/aports/commit/?id=8ffc0fe905f21e472724f58b101d61271a6571ff
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.
