CVE-2003-0760

Blubster 2.5 - Denial of Service via UDP Port 701 Flood

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2003-0760. PoCs published by Luca Ercoli.

AI-analyzed exploit summary This exploit demonstrates a remote denial-of-service (DoS) vulnerability in Blubster client v2.5 by flooding TCP port 701 with voice chat session requests, causing the software to crash. The PoC uses multiple child processes to establish repeated connections to the target.

Description

Blubster 2.5 allows remote attackers to cause a denial of service (crash) via a flood of connections to UDP port 701.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Luca Ercoli · cdoswindows
https://www.exploit-db.com/exploits/23056

This exploit demonstrates a remote denial-of-service (DoS) vulnerability in Blubster client v2.5 by flooding TCP port 701 with voice chat session requests, causing the software to crash. The PoC uses multiple child processes to establish repeated connections to the target.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Blubster client v2.5
No auth needed
Prerequisites: Network access to the target's TCP port 701
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Vendor Advisory vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/8482
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/13012

Scores

EPSS 0.0313
EPSS Percentile 86.2%

Details

Status published
Products (1)
optisoft/blubster 2.5
Published Sep 17, 2003
Tracked Since Feb 18, 2026