Vulnerability · Published May 13, 2020 · Assigned by freebsd

CVE-2020-7454

Critical 9.8

In plain English

A critical-severity security flaw in FreeBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.7% (higher than 86% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)2.7%top 14.0% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	FreeBSD	FreeBSD 12.1-RELEASE before p5, 11.4-BETA1 before p1, and 11.3-RELEASE before p9

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:12.libalias.asc x_refsource_MISC
https://security.netapp.com/advisory/ntap-20200518-0005/ x_refsource_CONFIRM
https://www.zerodayinitiative.com/advisories/ZDI-20-660/ x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-20-659/ x_refsource_MISC