Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2020-15469 |
CWE-ID | CWE-476 |
Exploitation vector | Network |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
QEMU Client/Desktop applications / Virtualization software |
Vendor | QEMU |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU29545
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-15469
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in QEMU. A remote attacker can trigger the MemoryRegionOps object to lack read/write callback methods, leading to a NULL pointer dereference.
MitigationInstall update from vendor's website.
Vulnerable software versionsQEMU: 4.2.0
External linkshttp://www.openwall.com/lists/oss-security/2020/07/02/1
http://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html
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. However, proof of concept for this vulnerability is available.