CVE-2006-5444

Asterisk 1.0.x-1.0.11 and 1.2.x-1.2.12 - Remote Code Execution via Skinny Channel Driver Integer Overflow

Title source: llm

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-5444. PoCs published by Noam Rathaus.

AI-analyzed exploit summary This Perl script exploits a memory corruption vulnerability in chan_skippy by sending malformed packets to a TCP port, causing crashes due to double free or segmentation faults. It demonstrates the vulnerability's exploitability by triggering glibc errors.

Description

Integer overflow in the get_input function in the Skinny channel driver (chan_skinny.c) in Asterisk 1.0.x before 1.0.12 and 1.2.x before 1.2.13, as used by Cisco SCCP phones, allows remote attackers to execute arbitrary code via a certain dlen value that passes a signed integer comparison and leads to a heap-based buffer overflow.

Exploits (1)

exploitdb WORKING POC VERIFIED

by Noam Rathaus · perldosmultiple

https://www.exploit-db.com/exploits/2597

View Code ZIP pw:eip

This Perl script exploits a memory corruption vulnerability in chan_skippy by sending malformed packets to a TCP port, causing crashes due to double free or segmentation faults. It demonstrates the vulnerability's exploitability by triggering glibc errors.

Classification

Working Poc 90%

Attack Type

Dos

Complexity

Trivial

Reliability

Reliable

Target: chan_skippy (Asterisk Skinny Channel Driver)

No auth needed

Prerequisites: Network access to the target's TCP port 2000

MITRE ATT&CK

T1499 - Endpoint Denial of Service

devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (19)

Core 19

Core References

Patch, Vendor Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/22480

Patch x_refsource_confirm

http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13

Third Party Advisory vendor-advisory x_refsource_debian

http://www.us.debian.org/security/2006/dsa-1229

Third Party Advisory vendor-advisory x_refsource_gentoo

http://www.gentoo.org/security/en/glsa/glsa-200610-15.xml

Vendor Advisory vendor-advisory x_refsource_suse

http://www.novell.com/linux/security/advisories/2006_69_asterisk.html

Exploit, Patch vdb-entry x_refsource_bid

http://www.securityfocus.com/bid/20617

Third Party Advisory vdb-entry x_refsource_vupen

http://www.vupen.com/english/advisories/2006/4097

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/22651

Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb

http://www.osvdb.org/29972

Third Party Advisory, VDB Entry vendor-advisory x_refsource_openpkg

http://www.securityfocus.com/archive/1/449183/100/0/threaded

Mailing List mailing-list x_refsource_fulldisc

http://lists.grok.org.uk/pipermail/full-disclosure/2006-October/050171.html

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/23212

Patch x_refsource_confirm

http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.0.12

Third Party Advisory, VDB Entry vdb-entry x_refsource_xf

https://exchange.xforce.ibmcloud.com/vulnerabilities/29663

US Government Resource third-party-advisory x_refsource_cert-vn

http://www.kb.cert.org/vuls/id/521252

Patch vdb-entry x_refsource_sectrack

http://securitytracker.com/id?1017089

Third Party Advisory third-party-advisory x_refsource_secunia

http://secunia.com/advisories/22979

Patch x_refsource_confirm

http://www.asterisk.org/node/109

Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq

http://www.securityfocus.com/archive/1/449127/100/0/threaded

Scores

EPSS 0.8484

EPSS Percentile 99.7%

Details

Status published

Products (26)

digium/asterisk 0.1.7

digium/asterisk 0.1.8

digium/asterisk 0.1.9

digium/asterisk 0.1.9.1

digium/asterisk 0.2

digium/asterisk 0.3

digium/asterisk 0.4

digium/asterisk 0.7

digium/asterisk 0.7.1

digium/asterisk 0.7.2

... and 16 more

Published Oct 23, 2006

Tracked Since Feb 18, 2026