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TI-2020-15611 Aliases CVE-2020-25583GHSA-972m-7j39-p3qp

Buffer overflow in FreeBSD

Priority MEDIUM 45CWE-120Published · Updated

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-120 and the CVSS impact.

Summary

In FreeBSD 12.2-STABLE before r368250, 11.4-STABLE before r368253, 12.2-RELEASE before p1, 12.1-RELEASE before p11 and 11.4-RELEASE before p5 when processing a DNSSL option, rtsold(8) decodes domain name labels per an encoding specified in RFC 1035 in which the first octet of each label contains the label's length. rtsold(8) did not validate label lengths correctly and could overflow the destination buffer.

Why it matters now

EPSS 0.01517 74th 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 12.2-RELEASE before p1, 12.1-RELEASE before p11, 11.4-RELEASE before p5—No fix listedCNA
  • FreeBSD Vendor— Affected FreeBSD 12.2-RELEASE before p1, 12.1-RELEASE before p11, 11.4-RELEASE before p5 Fixed in — No fix listed CNA

CPE configurations NVD · 29

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:p12:*:*:*:*:*:*11.3 p12VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.3:p13:*:*:*:*:*:*11.3 p13VulnerableFreeBSD
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:-:*:*:*:*:*:* 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:p12:*:*:*:*:*:* Versions 11.3 p12 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.3:p13:*:*:*:*:*:* Versions 11.3 p13 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
Show 19 more CPE
CPEVersionsRoleVendor
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: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:11.4:p2:*:*:*:*:*:*11.4 p2VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:*11.4 p3VulnerableFreeBSD
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:p5:*:*:*:*:*:*12.1 p5VulnerableFreeBSD
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:12.1:p8:*:*:*:*:*:*12.1 p8VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:*12.1 p9VulnerableFreeBSD
cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*12.2VulnerableFreeBSD
  • 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
  • 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:11.4:p2:*:*:*:*:*:* Versions 11.4 p2 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:* Versions 11.4 p3 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:p5:*:*:*:*:*:* Versions 12.1 p5 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
  • cpe:2.3:o:freebsd:freebsd:12.1:p8:*:*:*:*:*:* Versions 12.1 p8 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.1:p9:*:*:*:*:*:* Versions 12.1 p9 Vulnerable ·FreeBSD
  • cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* Versions 12.2 Vulnerable ·FreeBSD

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-25583
  2. 2026-10-03 Alias added: GHSA-972m-7j39-p3qp

References

Advisory 2

  • 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