MEDIUM
The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets
Published Jan 15, 2004
5.0
MEDIUMCVSS 2.0
EPSS 9.92%
Description
The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consumption) via a packet with invalid data to UDP port 1701, which causes l2tp_avp_print to use a bad length value when calling print_octets.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
9.92% 0.09920
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09920
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.92% (0.09920) | 95.45th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.92% (0.09920) | 94.97th | v5 (v2026.06.15) |
| Mar 30, 2025 | 21.39% (0.21385) | 95.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 16.18% (0.16183) | 91.41th | v4 (v2025.03.14) |
| Mar 17, 2025 | 21.39% (0.21385) | 95.22th | v4 (v2025.03.14) |
| Dec 17, 2024 | 6.28% (0.06281) | 93.56th | v3 (v2023.03.01) |
| Mar 7, 2023 | 40.69% (0.40692) | 96.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (12)
- http://lwn.net/Alerts/66805/ vendor-advisoryx_refsource_ENGARDE
- http://marc.info/?l=bugtraq&m=107193841728533&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=bugtraq&m=107213553214985&w=2 mailing-listx_refsource_BUGTRAQ
- http://marc.info/?l=tcpdump-workers&m=107228187124962&w=2 mailing-listx_refsource_MLIST
- http://secunia.com/advisories/10636 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/10652 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/10668 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/10718 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2004/dsa-425 vendor-advisoryx_refsource_DEBIANPatchVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:008 vendor-advisoryx_refsource_MANDRAKE
- http://www.securityfocus.com/archive/1/350238/30/21640/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securitytracker.com/id?1008748 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://lwn.net/Alerts/66805/ | vendor-advisoryx_refsource_ENGARDE | |
| http://marc.info/?l=bugtraq&m=107193841728533&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=bugtraq&m=107213553214985&w=2 | mailing-listx_refsource_BUGTRAQ | |
| http://marc.info/?l=tcpdump-workers&m=107228187124962&w=2 | mailing-listx_refsource_MLIST | |
| http://secunia.com/advisories/10636 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/10652 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/10668 | third-party-advisoryx_refsource_SECUNIA | |
| http://secunia.com/advisories/10718 | third-party-advisoryx_refsource_SECUNIA | |
| http://www.debian.org/security/2004/dsa-425 | vendor-advisoryx_refsource_DEBIANPatchVendor Advisory | |
| http://www.mandriva.com/security/advisories?name=MDKSA-2004:008 | vendor-advisoryx_refsource_MANDRAKE | |
| http://www.securityfocus.com/archive/1/350238/30/21640/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securitytracker.com/id?1008748 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 15, 2004
Updated Aug 8, 2024
Reserved Jan 14, 2004
Link CVE-2003-1029
CISA Vulnrichment
Updated n/a