CVE-2003-1029 Denial of service in n/a
Remote attackers can cause a denial of service in tcpdump via a malicious L2TP packet, leading to infinite loops and memory exhaustion.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2003-1029?
CVE-2003-1029 is a medium-severity denial of service vulnerability in n/a, published on 15 Jan 2004. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2003-1029?
It affects 1 product.
Products include Lbl Tcpdump.
How do I fix CVE-2003-1029?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2003-1029 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-1029 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2003-1029, GHSA-3h9x-q7vx-j2wh.