Buffer overflow in Freebsd
CVE-2020-7454
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.027 (84.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Freebsd — versions 11.3, 11.4, 12.1
- N/a Freebsd — versions FreeBSD 12.1-RELEASE before p5, 11.4-BETA1 before p1, and 11.3-RELEASE before p9
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secteam@freebsd.org (x_refsource_MISC, Vendor Advisory)
- secteam@freebsd.org (x_refsource_CONFIRM, Third Party Advisory)
- secteam@freebsd.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
- secteam@freebsd.org (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2020-7454?
- CVE-2020-7454 is a critical-severity vulnerability in Freebsd, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2020-05-13.
- How severe is CVE-2020-7454?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-7454 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.