Description
In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200518-0005/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-660/
Third Party Advisory, VDB Entry x_refsource_misc
https://www.zerodayinitiative.com/advisories/ZDI-20-659/
Scores
CVSS v3
9.8
EPSS
0.0063
EPSS Percentile
70.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-20
CWE-787
Status
published
Products (3)
freebsd/freebsd
11.3 (9 CPE variants)
freebsd/freebsd
11.4 (2 CPE variants)
freebsd/freebsd
12.1 (5 CPE variants)
Published
May 13, 2020
Tracked Since
Feb 18, 2026