CVE-2017-7539

2018-07-2600:00:00

ubuntu.com

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.114

Percentile

95.3%

JSON

An assertion-failure flaw was found in Qemu before 2.10.1, in the Network
Block Device (NBD) server’s initial connection negotiation, where the I/O
coroutine was undefined. This could crash the qemu-nbd server if a client
sent unexpected data during connection negotiation. A remote user or
process could use this flaw to crash the qemu-nbd server resulting in
denial of service.