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VULNERABILITIES

CVE-2020-7458 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc CVEPatchVendor Advisory
https://security.netapp.com/advisory/ntap-20200724-0002/ CVEThird Party Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:18.posix_spawnp.asc [email protected]PatchVendor Advisory
https://security.netapp.com/advisory/ntap-20200724-0002/ [email protected]Third Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
freebsd freebsd
11.4 -
11.4 beta1
12.1 -

CPE

  • cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:*
  • cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-7458
NVD Published Date:
Jul 9, 2020
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-7458 Details - Not Deferred