Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3409 |
CWE-ID | CWE-787 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
QEMU Client/Desktop applications / Virtualization software |
Vendor | QEMU |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
EUVDB-ID: #VU68559
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-3409
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to a boundary error in the SDHCI controller emulation code. A remote user on the guest OS can trigger an out-of-bounds write and execute arbitrary code on QEMU host.
MitigationInstall updates from vendor's website.
Vulnerable software versionsQEMU: 5.0.0 - 5.2.0
External linkshttp://www.openwall.com/lists/oss-security/2021/03/09/1
http://bugzilla.redhat.com/show_bug.cgi?id=1928146
http://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
http://security.netapp.com/advisory/ntap-20210507-0001/
http://security.gentoo.org/glsa/202208-27
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to trick the victim to open a a specially crafted file.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.