In FreeBSD 12.2-STABLE before r365730, 11.4-STABLE before r365738, 12.1-RELEASE before p10, 11.4-RELEASE before p4, and 11.3-RELEASE before p14, a programming error in the ure(4) device driver caused some Realtek USB Ethernet interfaces to incorrectly report packets with more than 2048 bytes in a single USB transfer as having a length of only 2048 bytes. An adversary can exploit this to cause the driver to misinterpret part of the payload of a large packet as a separate packet, and thereby inject packets across security boundaries such as VLANs.
References
| Link | Resource |
|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-SA-20:27.ure.asc | Vendor Advisory |
| https://security.FreeBSD.org/advisories/FreeBSD-SA-20:27.ure.asc | Vendor Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 05:37
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://security.FreeBSD.org/advisories/FreeBSD-SA-20:27.ure.asc - Vendor Advisory |
Information
Published : 2021-03-26 21:15
Updated : 2024-11-21 05:37
NVD link : CVE-2020-7464
Mitre link : CVE-2020-7464
CVE.ORG link : CVE-2020-7464
JSON object : View
Products Affected
freebsd
- freebsd
CWE
CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')