Information disclosure in Kcodes Netusb.ko
CVE-2019-5017
An exploitable information disclosure vulnerability exists in the KCodes NetUSB.ko kernel module that enables the ReadySHARE Printer functionality of at least two NETGEAR Nighthawk Routers and potentially several other vendors/products. An unauthenticated, remote attacker can craft and send a packet containing an opcode that will trigger the kernel module to return several addresses. One of which can be used to calculate the dynamic base address of the module for further exploitation.
Vulnerability class: Information Disclosure
EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Kcodes Netusb.ko — versions 1.0.2.66
- Netgear R8000
- Netgear R8000_firmware — versions 1.0.4.28_10.1.54
- Talos Kcodes — versions NETGEAR Nighthawk AC3200 (R8000) Firmware Version V1.0.4.28_10.1.54 (11/7/18) - NetUSB.ko 1.0.2.66
Weakness classification (CWE)
References
- talos-cna@cisco.com (vdb-entry, Broken Link, x_refsource_BID)
- talos-cna@cisco.com (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2019-5017?
- CVE-2019-5017 is a medium-severity vulnerability in Kcodes Netusb.ko, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-06-17.
- How severe is CVE-2019-5017?
- Medium severity. CVSS v3 base score is 5.3 out of 10.