CVE-2017-15119
Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 27 Jul 2018, 16:00
Last modified:05 Aug 2024, 19:50
Vulnerability Summary
Overall Risk (default)
medium
35/100 CVSS Score
8.6 HIGH
v3.0 (nvd)
EPSS Score
1.56% LOW
2% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
27 Jul 2018, 16:00
Published
Vulnerability first disclosed
05 Aug 2024, 19:50
Last Modified
Vulnerability information updated
Description
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.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
- v3.0•HIGH•Score: 8.6CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 5AV:N/AC:L/Au:N/C:N/I:N/A:P
EPSS Trends
Current EPSS score: 1.56%• Percentile: 82%
Techniques & Countermeasures
- CWE-400•Uncontrolled Resource Consumption
The product does not properly control the allocation and maintenance of a limited resource.
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04 | 17.10
- debian•debian_linux
9.0
- qemu•qemu
< 2.11.0 | 2.11
- redhat•virtualization
4.0
References (8)
- https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05044.html
- http://www.openwall.com/lists/oss-security/2017/11/28/9
- http://www.securityfocus.com/bid/102011
- https://www.debian.org/security/2018/dsa-4213
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15119
- https://access.redhat.com/errata/RHSA-2018:1104
- https://access.redhat.com/errata/RHSA-2018:1113
- https://usn.ubuntu.com/3575-1/