Heap-based buffer overflow in the NTLMSSP code for Ethereal 0.9.9 and earlier allows…
Priority LOW 39Published · 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
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Heap-based buffer overflow in the NTLMSSP code for Ethereal 0.9.9 and earlier allows remote attackers to cause a denial of service and possibly execute arbitrary code.
Why it matters now
EPSS 0.03793 90th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 11
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:* | 0.8.18 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.0:*:*:*:*:*:*:* | 0.9.0 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:* | 0.9.1 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:* | 0.9.2 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:* | 0.9.3 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.4:*:*:*:*:*:*:* | 0.9.4 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.5:*:*:*:*:*:*:* | 0.9.5 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.6:*:*:*:*:*:*:* | 0.9.6 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.7:*:*:*:*:*:*:* | 0.9.7 | Vulnerable | Ethereal Group |
| cpe:2.3:a:ethereal_group:ethereal:0.9.8:*:*:*:*:*:*:* | 0.9.8 | Vulnerable | Ethereal Group |
- cpe:2.3:a:ethereal_group:ethereal:0.8.18:*:*:*:*:*:*:* Versions 0.8.18 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.0:*:*:*:*:*:*:* Versions 0.9.0 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.1:*:*:*:*:*:*:* Versions 0.9.1 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.3:*:*:*:*:*:*:* Versions 0.9.3 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.4:*:*:*:*:*:*:* Versions 0.9.4 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.5:*:*:*:*:*:*:* Versions 0.9.5 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.6:*:*:*:*:*:*:* Versions 0.9.6 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.7:*:*:*:*:*:*:* Versions 0.9.7 Vulnerable ·Ethereal Group
- cpe:2.3:a:ethereal_group:ethereal:0.9.8:*:*:*:*:*:*:* Versions 0.9.8 Vulnerable ·Ethereal Group
Show 1 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ethereal_group:ethereal:0.9.9:*:*:*:*:*:*:* | 0.9.9 | Vulnerable | Ethereal Group |
- cpe:2.3:a:ethereal_group:ethereal:0.9.9:*:*:*:*:*:*:* Versions 0.9.9 Vulnerable ·Ethereal Group
Remediation
Red Hat 2 advisories
- RHSA-2003:077 Released 2003-07-08 · Red Hat rating Moderateethereal security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
- RHSA-2003:076 Released 2003-04-23 · Red Hat rating Moderate: Updated ethereal packages fix security vulnerabilities
- Red Hat Linux 7.2
- Red Hat Linux 7.3
- Red Hat Linux 8.0
- Red Hat Linux 9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:077 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2003:077 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2003:077 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:076 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:076 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:076 |
| Red Hat Linux 9 | Fixed | RHSA-2003:076 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2003:077 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0159
- 2026-10-03 Alias added: GHSA-2cwg-9592-xc58
- 2026-11-03 EPSS moved to the 90th–95th percentile
References
More Ethereal Group Ethereal vulnerabilities
- TI-2004-00151 Multiple buffer overflows in Ethereal 0.8.13 to 0.10.2 allow remote attackers to cause a… CVSS 2.0MEDIUM 5.0
- TI-2006-03524 Buffer overflow in Wireshark (aka Ethereal) 0.8.16 to 0.99.0 allows remote attackers to… CVSS 2.0HIGH 10.0
- TI-2005-03011 Buffer overflow vulnerability in the unicode_to_bytes in the Service Location Protocol… CVSS 2.0HIGH 10.0
- TI-2004-00458 Buffer overflow in the MMSE dissector for Ethereal 0.10.1 to 0.10.3 allows remote… CVSS 2.0HIGH 10.0
- TI-2006-03520 Multiple format string vulnerabilities in Wireshark (aka Ethereal) 0.10.x to 0.99.0 allow… CVSS 2.0HIGH 10.0
- TI-2006-01877 Off-by-one error in the OID printing routine in Ethereal 0.10.x up to 0.10.14 has unknown… CVSS 2.0HIGH 10.0
Sources
- CVE-2003-0159 · CVE Program
- CVE-2003-0159 · NVD
- FIRST EPSS
- GHSA-2cwg-9592-xc58 · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0159 · Red Hat security data · CC BY 4.0
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