CVE-2000-1026

LBNL tcpdump - Remote Code Execution via Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2000-1026. PoCs published by Zhodiac.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in tcpdump 3.5.2 by sending a maliciously crafted AFS ACL packet over UDP. The payload includes shellcode designed to spawn an xterm on the target system, leveraging a stack-based overflow to achieve remote code execution.

Description

Multiple buffer overflows in LBNL tcpdump allow remote attackers to execute arbitrary commands.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Zhodiac · cremoteunix
https://www.exploit-db.com/exploits/20337

This exploit targets a buffer overflow vulnerability in tcpdump 3.5.2 by sending a maliciously crafted AFS ACL packet over UDP. The payload includes shellcode designed to spawn an xterm on the target system, leveraging a stack-based overflow to achieve remote code execution.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: tcpdump 3.5.2
No auth needed
Prerequisites: Network access to the target · tcpdump running with elevated privileges · UDP port 7000 accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/5480
Patch, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/1870
Third Party Advisory vendor-advisory x_refsource_suse
http://archives.neohapsis.com/archives/linux/suse/2000-q4/0681.html

Scores

EPSS 0.0598
EPSS Percentile 92.4%

Details

Status published
Products (4)
lbl/tcpdump 3.4
lbl/tcpdump 3.4a6
lbl/tcpdump 3.5
lbl/tcpdump 3.5_alpha
Published Dec 11, 2000
Tracked Since Feb 18, 2026