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TI-2020-05983 Aliases CVE-2020-7460GHSA-xfwf-8q7p-hwxg

Time-of-check time-of-use race condition in FreeBSD

Priority LOW 32CWE-367Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

In FreeBSD 12.1-STABLE before r363918, 12.1-RELEASE before p8, 11.4-STABLE before r363919, 11.4-RELEASE before p2, and 11.3-RELEASE before p12, the sendmsg system call in the compat32 subsystem on 64-bit platforms has a time-of-check to time-of-use vulnerability allowing a mailcious userspace program to modify control message headers after they were validation.

Why it matters now

EPSS 0.00693 53rd 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

VendorProductAffected versionsFixed inStatusSource
—FreeBSDFreeBSD 12.1-RELEASE before p8, 11.4-RELEASE before p2, 11.3-RELEASE before p12—No fix listedCNA
  • FreeBSD Vendor— Affected FreeBSD 12.1-RELEASE before p8, 11.4-RELEASE before p2, 11.3-RELEASE before p12 Fixed in — No fix listed CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:*11.3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:*11.3 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:*11.3 p10VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:*11.3 p11VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:*11.3 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:*11.3 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:*11.3 p4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:*11.3 p5VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:*11.3 p6VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:*11.3 p7VulnerableFreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:-:*:*:*:*:*:* Versions 11.3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p1:*:*:*:*:*:* Versions 11.3 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p10:*:*:*:*:*:* Versions 11.3 p10 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p11:*:*:*:*:*:* Versions 11.3 p11 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p2:*:*:*:*:*:* Versions 11.3 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p3:*:*:*:*:*:* Versions 11.3 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p4:*:*:*:*:*:* Versions 11.3 p4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p5:*:*:*:*:*:* Versions 11.3 p5 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p6:*:*:*:*:*:* Versions 11.3 p6 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p7:*:*:*:*:*:* Versions 11.3 p7 Vulnerable ·FreeBSD
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:*11.3 p8VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:*11.3 p9VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:*11.4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:*11.4 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:*12.1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:*12.1 p1VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:*12.1 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:*12.1 p3VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:*12.1 p4VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:*12.1 p6VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:*12.1 p7VulnerableFreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p8:*:*:*:*:*:* Versions 11.3 p8 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p9:*:*:*:*:*:* Versions 11.3 p9 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* Versions 11.4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* Versions 11.4 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:-:*:*:*:*:*:* Versions 12.1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p1:*:*:*:*:*:* Versions 12.1 p1 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p2:*:*:*:*:*:* Versions 12.1 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p3:*:*:*:*:*:* Versions 12.1 p3 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p4:*:*:*:*:*:* Versions 12.1 p4 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p6:*:*:*:*:*:* Versions 12.1 p6 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p7:*:*:*:*:*:* Versions 12.1 p7 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-7460
  2. 2026-10-03 Alias added: GHSA-xfwf-8q7p-hwxg

References

Advisory 3

  • 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