Vulnerability · Published Jul 9, 2020 · Assigned by freebsd

CVE-2020-7458

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 1.9% (higher than 80% of all known vulnerabilities).

Severity (CVSS NVD)9.8Critical

Exploit odds (30 days)1.9%top 20.2% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

In FreeBSD 12.1-STABLE before r362281, 11.4-STABLE before r362281, and 11.4-RELEASE before p1, long values in the user-controlled PATH environment variable cause posix_spawnp to write beyond the end of the heap allocated stack possibly leading to arbitrary code execution.

Affected products (as reported)

Vendor	Product	Versions
n/a	FreeBSD	FreeBSD 11.4-RELEASE before p1

References

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc x_refsource_MISC
https://security.netapp.com/advisory/ntap-20200724-0002/ x_refsource_CONFIRM