CVE-2020-10761 Information

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 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10761 https://security.gentoo.org/glsa/202011-09 https://security.netapp.com/advisory/ntap-20200731-0001/ https://usn.ubuntu.com/4467-1/ https://www.openwall.com/lists/oss-security/2020/06/09/1

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

LOW

Base Severity

5.0