Vulnerability Monitor

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CVE-2017-15119

The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.

Published

2018-07-27T16:29:00.350

Last Modified

2024-11-21T03:14:06.587

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 5.8 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-400
Type: Primary
CWE-400

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	< 2.11.0	Yes
Application	redhat	virtualization	4.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	17.10	Yes
Operating System	debian	debian_linux	9.0	Yes

References

http://www.openwall.com/lists/oss-security/2017/11/28/9 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/102011 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2018:1104 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2018:1113 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html Mailing List, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3575-1/ Third Party Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4213 Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2017/11/28/9 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/102011 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1104 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1113 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3575-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4213 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)