CVE-2020-7458

Published: Jul 9, 2020Modified: Jun 17, 2026

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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 (3)

Products: Freebsd: Freebsd

1 product

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Freebsd Freebsd	Version 11.4
Freebsd Freebsd	Version 11.4 beta1
Freebsd Freebsd	Version 12.1

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc

Source: secteam@freebsd.org

PatchVendor Advisory

https://security.netapp.com/advisory/ntap-20200724-0002/

Source: secteam@freebsd.org

Third Party Advisory

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://security.netapp.com/advisory/ntap-20200724-0002/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.