Back
CVE-2003-1029
The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory…
Medium5.0EPSS 9.9%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 9.9% · top 4.4% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (12)
- 10718 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 10668 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- [tcpdump-workers] 20031224 Seg fault of tcpdump (v 3.8.1 and below) with malformed l2tp packets (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 10636 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1008748 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ESA-20040119-002 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
- MDKSA-2004:008 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- 20040119 [ESA-20040119-002] 'tcpdump' multiple vulnerabilities. (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- DSA-425 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 10652 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 20031221 Re: Remote crash in tcpdump from OpenBSD (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 20031220 Remote crash in tcpdump from OpenBSD (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .