Vulnerability Description
An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remote nbd-client could use this flaw to crash the qemu-nbd server resulting in a denial of service.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 5.0.1 |
| Redhat | Enterprise Linux | 8.0 |
| Opensuse | Leap | 15.2 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200731-0001/Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/09/1Mailing ListPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.htmlMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761Issue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202011-09Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200731-0001/Third Party Advisory
- https://usn.ubuntu.com/4467-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/09/1Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2020-10761?
CVE-2020-10761 is a vulnerability with a CVSS score of 5.0 (MEDIUM). An assertion failure issue was found in the Network Block Device(NBD) Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the...
How severe is CVE-2020-10761?
CVE-2020-10761 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-10761?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux, Opensuse Leap, Canonical Ubuntu Linux.