Vulnerabilities > CVE-2020-10761 - Reachable Assertion vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
LOW Summary
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.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761
- https://www.openwall.com/lists/oss-security/2020/06/09/1
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- https://security.netapp.com/advisory/ntap-20200731-0001/
- https://usn.ubuntu.com/4467-1/
- https://security.gentoo.org/glsa/202011-09