Information disclosure in Kcodes Netusb.ko
CVE-2019-5016
An exploitable arbitrary memory read vulnerability exists in the KCodes NetUSB.ko kernel module which enables the ReadySHARE Printer functionality of at least two NETGEAR Nighthawk Routers and potentially several other vendors/products. A specially crafted index value can cause an invalid memory read, resulting in a denial of service or remote information disclosure. An unauthenticated attacker can send a crafted packet on the local network to trigger this vulnerability.
Vulnerability class: Information Disclosure
EPSS: 0.036 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Kcodes Netusb.ko — versions 1.0.2.66, 1.0.2.69
- Netgear R7900
- Netgear R7900_firmware — versions 1.0.3.810.037
- Netgear R8000
- Netgear R8000_firmware — versions 1.0.4.28_10.1.54
- Talos Kcodes — versions NETGEAR Nighthawk AC3200 (R8000) Firmware Version V1.0.4.2810.1.54 (11/7/18) - NetUSB.ko 1.0.2.66, NETGEAR Nighthawk AC3000 (R7900) Firmware Version V1.0.3.810.0.37 (11/1/18) - NetUSB.ko 1.0.2.69
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-2019-5016?
- CVE-2019-5016 is a critical-severity vulnerability in Kcodes Netusb.ko, classified under Information Disclosure. CVSS score: 9.1/10. Published 2019-06-17.
- How severe is CVE-2019-5016?
- Critical severity. CVSS v3 base score is 9.1 out of 10.