CVE-2017-9524

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://lists.gnu.org/archive/html/qemu-devel/2017-06/msg02321.html	Patch Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2017-05/msg06240.html	Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/06/12/1	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/99011	Third Party Advisory VDB Entry
http://www.debian.org/security/2017/dsa-3925	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2408	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1682	Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:1681	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2017-07-06 09:29

Updated : 2020-10-29 10:24

NVD link : CVE-2017-9524

Mitre link : CVE-2017-9524

JSON object : View

CWE

CWE-20

Improper Input Validation

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Products Affected

debian

debian_linux

qemu

qemu

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