CVE-2003-1029
First published: Thu Jan 15 2004(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Tcpdump | =3.5 | |
| Tcpdump | =3.5.2 | |
| Tcpdump | =3.7 | |
| Tcpdump | =3.4 | |
| Tcpdump | =3.6.3 | |
| Tcpdump | =3.6.2 |
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Reference Links
- http://www.debian.org/security/2004/dsa-425
- http://www.mandriva.com/security/advisories?name=MDKSA-2004:008
- http://www.securitytracker.com/id?1008748
- http://secunia.com/advisories/10652
- http://lwn.net/Alerts/66805/
- http://secunia.com/advisories/10668
- http://secunia.com/advisories/10636
- http://secunia.com/advisories/10718
- http://marc.info/?l=bugtraq&m=107213553214985&w=2
- http://marc.info/?l=tcpdump-workers&m=107228187124962&w=2
- http://marc.info/?l=bugtraq&m=107193841728533&w=2
- http://www.securityfocus.com/archive/1/350238/30/21640/threaded
Frequently Asked Questions
What is the severity of CVE-2003-1029?
CVE-2003-1029 has a medium severity level due to its potential to cause denial of service.
How do I fix CVE-2003-1029?
To fix CVE-2003-1029, you should upgrade tcpdump to version 3.8.2 or later.
What software is affected by CVE-2003-1029?
CVE-2003-1029 affects tcpdump versions 3.4 through 3.6.3.
What kind of attack does CVE-2003-1029 enable?
CVE-2003-1029 enables remote attackers to execute a denial of service attack by sending malformed UDP packets to port 1701.
Is there a workaround for CVE-2003-1029?
A temporary workaround for CVE-2003-1029 is to restrict access to UDP port 1701 on firewalls.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/last-modified-date
- agent/author
- agent/weakness
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-historical
- vendor/lbl
- canonical/tcpdump
- version/tcpdump/3.4
- version/tcpdump/3.5
- version/tcpdump/3.5.2
- version/tcpdump/3.6.2
- version/tcpdump/3.6.3
- version/tcpdump/3.7