CVE-2003-1029 json
The L2TP protocol parser in tcpdump 3.8.1 and earlier allows remote attackers to cause a denial of service (infinite loop and memory consum…
published 2004-01-15 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1019
- cvss
- 5.0
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 9.9%
- EPSS 9.9% chance of exploitation in 30 days, percentile 95%
- public exploits
- 1
- Exploit-DB
Summary
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.
Patch / fix
- tcpdump Debian 14, Debian 13, Debian 12 3.8.3-1
debian advisories DEBIAN-CVE-2003-1029
- debian.org/security/2004/dsa-425 advisory
Timeline
- First public exploit (EDB-23452)
- Published
Exploit prediction
9.92% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-23452 Tcpdump 3.x - L2TP Parser Remote Denial of Service dos, 2003-12-20
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
References
-
debian.org
/security/2004/dsa-425
vendor-advisory, patch
-
lwn.net
/Alerts/66805/
vendor-advisory
-
mandriva.com
/security/advisories?name=MDKSA-2004:008
vendor-advisory
-
secunia.com
/advisories/10718
third-party-advisory
-
secunia.com
/advisories/10668
third-party-advisory
-
marc.info
/?l=tcpdump-workers&m=107228187124962&w=2
mailing-list
-
secunia.com
/advisories/10636
third-party-advisory
-
securitytracker.com
/id?1008748
vdb-entry
-
securityfocus.com
/archive/1/350238/30/21640/threaded
mailing-list
-
secunia.com
/advisories/10652
third-party-advisory
-
marc.info
/?l=bugtraq&m=107213553214985&w=2
mailing-list
-
marc.info
/?l=bugtraq&m=107193841728533&w=2
mailing-list
Sources
- CVE List CVE-2003-1029
- NVD CVE-2003-1029
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.