7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.026 Low
EPSS
Percentile
90.0%
The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows remote attackers to cause a denial of service (segmentation fault and server crash) by leveraging failure to ensure that all initialization occurs before talking to a client in the nbd_negotiate function.
CPE | Name | Operator | Version |
---|---|---|---|
qemu:qemu | qemu | le | 2.9.1 |
debian:debian_linux | debian debian linux | eq | 9.0 |
www.debian.org/security/2017/dsa-3925
www.openwall.com/lists/oss-security/2017/06/12/1
www.securityfocus.com/bid/99011
access.redhat.com/errata/RHSA-2017:1681
access.redhat.com/errata/RHSA-2017:1682
access.redhat.com/errata/RHSA-2017:2408
lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.html
lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.html
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7 High
AI Score
Confidence
High
5 Medium
CVSS2
Access Vector
NETWORK
Access 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
0.026 Low
EPSS
Percentile
90.0%