CVE-2006-6026

Helix Server < 11.1.3 and Helix DNA Server 11.0-11.1 - Heap-Based Buffer Overflow via DESCRIBE Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-6026. PoCs published by Winny Thomas.

AI-analyzed exploit summary This exploit targets a buffer overflow vulnerability in Helix Server v11.0.1 via RTSP. It leverages a call dword ptr [eax + 4] instruction to redirect execution to shellcode, which binds a shell to port 4444.

Description

Heap-based buffer overflow in Real Networks Helix Server and Helix Mobile Server before 11.1.3, and Helix DNA Server 11.0 and 11.1, allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a DESCRIBE request that contains an invalid LoadTestPassword field.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Winny Thomas · pythonremotewindows
https://www.exploit-db.com/exploits/3531

This exploit targets a buffer overflow vulnerability in Helix Server v11.0.1 via RTSP. It leverages a call dword ptr [eax + 4] instruction to redirect execution to shellcode, which binds a shell to port 4444.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Helix Server v11.0.1
No auth needed
Prerequisites: Network access to target's RTSP port (554) · Target running Helix Server v11.0.1
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (12)

Core 12
Core References
Various Sources x_refsource_misc
http://gleg.net/helix.txt
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22944
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2007/1056
Third Party Advisory mailing-list x_refsource_vim
http://www.attrition.org/pipermail/vim/2007-March/001459.html
Third Party Advisory mailing-list x_refsource_vim
http://www.attrition.org/pipermail/vim/2007-March/001468.html
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/3531
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/463333/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23068
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/21141

Scores

EPSS 0.1032
EPSS Percentile 95.1%

Details

CWE
CWE-119
Status published
Products (6)
realnetworks/helix_dna_server 11.0
realnetworks/helix_dna_server 11.1
realnetworks/helix_mobile_server < 11.1.2
realnetworks/helix_server 11.0
realnetworks/helix_server 11.1
realnetworks/helix_server < 11.1.2
Published Nov 21, 2006
Tracked Since Feb 18, 2026