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TI-2003-00088 Aliases CVE-2003-0093GHSA-wcfm-6r83-67px

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial…

Priority LOW 27Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.

Summary

The RADIUS decoder in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of service (crash) via an invalid RADIUS packet with a header length field of 0, which causes tcpdump to generate data within an infinite loop.

Why it matters now

EPSS 0.01972 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 3 advisories

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:*3.4VulnerableLbl
cpe:2.3:a:lbl:tcpdump:3.4a6:*:*:*:*:*:*:*3.4a6VulnerableLbl
cpe:2.3:a:lbl:tcpdump:3.5:*:*:*:*:*:*:*3.5VulnerableLbl
cpe:2.3:a:lbl:tcpdump:3.5.2:*:*:*:*:*:*:*3.5.2VulnerableLbl
cpe:2.3:a:lbl:tcpdump:3.6.2:*:*:*:*:*:*:*3.6.2VulnerableLbl
  • cpe:2.3:a:lbl:tcpdump:3.4:*:*:*:*:*:*:* Versions 3.4 Vulnerable ·Lbl
  • cpe:2.3:a:lbl:tcpdump:3.4a6:*:*:*:*:*:*:* Versions 3.4a6 Vulnerable ·Lbl
  • cpe:2.3:a:lbl:tcpdump:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Lbl
  • cpe:2.3:a:lbl:tcpdump:3.5.2:*:*:*:*:*:*:* Versions 3.5.2 Vulnerable ·Lbl
  • cpe:2.3:a:lbl:tcpdump:3.6.2:*:*:*:*:*:*:* Versions 3.6.2 Vulnerable ·Lbl

Remediation

Red Hat 3 advisories

  • RHSA-2003:214 Released 2003-06-30 · Red Hat rating Moderate
    : : : Updated tcpdump packages fix various vulnerabilities
    • Red Hat Linux 7.1
  • RHSA-2003:032 Released 2003-04-23 · Red Hat rating Moderate
    : Updated tcpdump packages fix various vulnerabilities
    • Red Hat Linux 7.1
    • Red Hat Linux 7.2
    • Red Hat Linux 7.3
    • Red Hat Linux 8.0
  • RHSA-2003:033 Released 2003-02-26 · Red Hat rating Moderate
    tcpdump security update
    • Red Hat Enterprise Linux AS (Advanced Server) version 2.1
    • Red Hat Linux Advanced Workstation 2.1

Vendor assessments

Red Hat

Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS (Advanced Server) version 2.1 Fixed RHSA-2003:033
Red Hat Linux 7.1Fixed RHSA-2003:032
Red Hat Linux 7.2Fixed RHSA-2003:032
Red Hat Linux 7.3Fixed RHSA-2003:032
Red Hat Linux 8.0Fixed RHSA-2003:032
Red Hat Linux Advanced Workstation 2.1Fixed RHSA-2003:033

Timeline

  1. 2026-10-02 Threatist record created from CVE-2003-0093
  2. 2026-10-03 Alias added: GHSA-wcfm-6r83-67px

References

Exploit 1

Advisory 5

  • TI-2000-01016 Multiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands. CVSS 2.0HIGH 10.0
  • TI-2005-01205 tcpdump 3.8.3 and earlier allows remote attackers to cause a denial of service (infinite… CVSS 2.0MEDIUM 5.0
  • TI-2002-00367 Buffer overflow in tcpdump 3.6.2 and earlier allows remote attackers to cause a denial of… CVSS 2.0HIGH 7.5
  • TI-2001-01232 Buffer overflow in print-rx.c of tcpdump 3.x (probably 3.6x) allows remote attackers to… CVSS 2.0HIGH 7.5
  • TI-2005-01197 The bgp_update_print function in tcpdump 3.x does not properly handle a -1 return value… CVSS 2.0MEDIUM 5.0
  • TI-1999-00974 ip_print procedure in Tcpdump 3.4a allows remote attackers to cause a denial of service… CVSS 2.0HIGH 7.5
See all 15 →

Sources

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