TI-2020-05981 Aliases CVE-2020-7458 GHSA-pvv4-m6qj-jw53

Out-of-bounds write in FreeBSD

MEDIUM 46CWE-787Published 2020-07-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01904 79th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	FreeBSD	FreeBSD 11.4-RELEASE before p1	—	No fix listed	CNA

FreeBSD Vendor— Affected FreeBSD 11.4-RELEASE before p1 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:o:freebsd:freebsd:11.4:-::::::	11.4	Vulnerable	FreeBSD
cpe:2.3:o:freebsd:freebsd:11.4:beta1::::::	11.4 beta1	Vulnerable	FreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:-::::::	12.1	Vulnerable	FreeBSD

cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* Versions 11.4 Vulnerable ·FreeBSD
cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:* Versions 11.4 beta1 Vulnerable ·FreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* Versions 12.1 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-7458
2026-10-03 Alias added: GHSA-pvv4-m6qj-jw53

References

Patch 1

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

Advisory 1

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

TI-2011-04182 Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT… CVSS 2.0HIGH 10.0
TI-2007-03684 Integer overflow in print-bgp.c in the BGP dissector in tcpdump 3.9.6 and earlier allows… CVSS 3.1CRITICAL 9.8
TI-2002-00376 Integer overflow in xdr_array function in RPC servers for operating systems that use… CVSS 3.1CRITICAL 9.8
TI-2024-05929 Openssh: regresshion - race condition in ssh allows rce/dos CVSS 3.1HIGH 8.1
TI-2003-00437 Off-by-one error in the fb_realpath() function, as derived from the realpath function in… CVSS 3.1CRITICAL 9.8
TI-2003-00642 The prescan function in Sendmail 8.12.9 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 10.0

See all 576 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences