Buffer overflow in Huawei Imanager Neteco
CVE-2019-14835
A buffer overflow flaw was found, in versions from 2.6.34 to 5.2.x, in the way Linux kernel's vhost functionality that translates virtqueue buffers to IOVs, logged the buffer descriptors during migration. A privileged guest user able to pass descriptors with invalid length to the host when migration is underway, could use this flaw to increase their privileges on the host.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (49.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Huawei Imanager Neteco — versions v600r009c00, v600r009c10spc200
- Huawei Imanager Neteco 6000 — versions v600r008c10spc300, v600r008c20
- Huawei Manageone — versions 6.5.0, 6.5.0.spc100.b210, 6.5.1rc1.b060
- Linux Kernel — versions 5.3
- Linux Kernel — versions from version 2.6.34 to 5.2.x
- NetApp Aff A700s
- NetApp Aff A700s Firmware
- NetApp Data Availability Services
- NetApp H300e
- NetApp H300e Firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.openwall.com/lists/oss-security/2019/09/17/1 (Exploit, Patch, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4135-2/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory, Mailing List)
- access.redhat.com/errata/RHSA-2019:2827 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2828 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2830 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2829 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2854 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2862 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-14835?
- CVE-2019-14835 is a high-severity vulnerability in Huawei Imanager Neteco, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2019-09-17.
- How severe is CVE-2019-14835?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-14835 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.