FreeBSD

CVE-2020-7464
MEDIUM 5.3

At a glance

Source
NVD
EPSS
EPSS 0.76 % Β· percentile 55 ()
State
PUBLISHED
Published
Updated
Assigner
freebsd
NVD status
Modified

Description

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.

Weaknesses (CWE)

  • CWE-74 β€” Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NNVD Β· nvd@nist.gov (Primary)
CVSS 2.0MEDIUM 5.0AV:N/AC:L/Au:N/C:N/I:P/A:NNVD Β· nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
FreeBSDaffected FreeBSD 12.1-RELEASE before p10, 11.4-RELEASE before p4, 11.3-RELEASE before p14

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD