qemu -- denial of service vulnerability

2015-03-2300:00:00

vuxml.freebsd.org

8.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.8 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.011 Low

EPSS

Percentile

84.3%

JSON

Daniel P. Berrange reports:

The VNC server websockets decoder will read and buffer data
from websockets clients until it sees the end of the HTTP headers,
as indicated by \r\n\r\n. In theory this allows a malicious to
trick QEMU into consuming an arbitrary amount of RAM.

OSVersionArchitecturePackageVersionFilename
FreeBSDanynoarchqemu< 2.3.0UNKNOWN
FreeBSDanynoarchqemu-devel< 2.3.0UNKNOWN
FreeBSDanynoarchqemu-sbruno< 2.3.0UNKNOWN