CVE-2006-5444

Exp

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.

Published: 2006-10-23 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-5444 is rated High Exploit Risk (79.9/100): CVSS High severity, with high exploitation likelihood (EPSS 87.06%, 99th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-5444

EDB-ID Source Kind Published Link
2597 exploit_db edb 2006-10-19 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-5444

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-25 86.91% 87.06% +0.15%
2 2025-06-11 86.69% 86.91% +0.22%
3 2025-04-19 86.69%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-5444

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-5444

OS Trackers for CVE-2006-5444

vendor priority summary link
alpine CVE-2006-5444: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-5444
debian medium CVE-2006-5444 medium priority: Debian including 1 source packages (asterisk), 2 status rows across 2 suites (bullseye, sid): resolved 2. https://security-tracker.debian.org/tracker/CVE-2006-5444
gentoo high CVE-2006-5444: 1 GLSA(s) (200610-15), 1 atom(s) (net-misc/asterisk); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-5444
ubuntu medium CVE-2006-5444 medium priority: Ubuntu including 1 source packages (asterisk), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 2, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2006-5444

NVD evaluator notes for CVE-2006-5444

Solution: Failed exploit attempts will likely crash the server, denying further service to legitimate users. This vulnerability is addressed in the following product releases: Asterisk, Asterisk, 1.0.12 or later Asterisk, Asterisk, 1.2.13 or later

Affected software / configurations for CVE-2006-5444

Vendor Product Version Raw CPE
digium asterisk 0.1.7 cpe:2.3:a:digium:asterisk:0.1.7:*:*:*:*:*:*:*
digium asterisk 0.1.8 cpe:2.3:a:digium:asterisk:0.1.8:*:*:*:*:*:*:*
digium asterisk 0.1.9 cpe:2.3:a:digium:asterisk:0.1.9:*:*:*:*:*:*:*
digium asterisk 0.1.9.1 cpe:2.3:a:digium:asterisk:0.1.9.1:*:*:*:*:*:*:*
digium asterisk 0.2 cpe:2.3:a:digium:asterisk:0.2:*:*:*:*:*:*:*
digium asterisk 0.3 cpe:2.3:a:digium:asterisk:0.3:*:*:*:*:*:*:*
digium asterisk 0.4 cpe:2.3:a:digium:asterisk:0.4:*:*:*:*:*:*:*
digium asterisk 0.7 cpe:2.3:a:digium:asterisk:0.7:*:*:*:*:*:*:*
digium asterisk 0.7.1 cpe:2.3:a:digium:asterisk:0.7.1:*:*:*:*:*:*:*
digium asterisk 0.7.2 cpe:2.3:a:digium:asterisk:0.7.2:*:*:*:*:*:*:*
digium asterisk 0.9 cpe:2.3:a:digium:asterisk:0.9:*:*:*:*:*:*:*
digium asterisk 1.0 cpe:2.3:a:digium:asterisk:1.0:*:*:*:*:*:*:*
digium asterisk 1.0.7 cpe:2.3:a:digium:asterisk:1.0.7:*:*:*:*:*:*:*
digium asterisk 1.0.8 cpe:2.3:a:digium:asterisk:1.0.8:*:*:*:*:*:*:*
digium asterisk 1.0.9 cpe:2.3:a:digium:asterisk:1.0.9:*:*:*:*:*:*:*
digium asterisk 1.0.10 cpe:2.3:a:digium:asterisk:1.0.10:*:*:*:*:*:*:*
digium asterisk 1.0.11 cpe:2.3:a:digium:asterisk:1.0.11:*:*:*:*:*:*:*
digium asterisk 1.2.6 cpe:2.3:a:digium:asterisk:1.2.6:*:*:*:*:*:*:*
digium asterisk 1.2.7 cpe:2.3:a:digium:asterisk:1.2.7:*:*:*:*:*:*:*
digium asterisk 1.2.8 cpe:2.3:a:digium:asterisk:1.2.8:*:*:*:*:*:*:*
digium asterisk 1.2.9 cpe:2.3:a:digium:asterisk:1.2.9:*:*:*:*:*:*:*
digium asterisk 1.2.10 cpe:2.3:a:digium:asterisk:1.2.10:*:*:*:*:*:*:*
digium asterisk 1.2.11 cpe:2.3:a:digium:asterisk:1.2.11:*:*:*:*:*:*:*
digium asterisk 1.2.12 cpe:2.3:a:digium:asterisk:1.2.12:*:*:*:*:*:*:*
digium asterisk 1.2_beta1 cpe:2.3:a:digium:asterisk:1.2_beta1:*:*:*:*:*:*:*
digium asterisk 1.2_beta2 cpe:2.3:a:digium:asterisk:1.2_beta2:*:*:*:*:*:*:*

References for CVE-2006-5444

URL Tags
http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.0.12 Patch
http://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13 Patch
http://lists.grok.org.uk/pipermail/full-disclosure/2006-October/050171.html
http://secunia.com/advisories/22480 Patch Vendor Advisory
http://secunia.com/advisories/22651
http://secunia.com/advisories/22979
http://secunia.com/advisories/23212
http://securitytracker.com/id?1017089 Patch
http://www.asterisk.org/node/109 Patch
http://www.gentoo.org/security/en/glsa/glsa-200610-15.xml
http://www.kb.cert.org/vuls/id/521252 US Government Resource
http://www.novell.com/linux/security/advisories/2006_69_asterisk.html
http://www.osvdb.org/29972
http://www.securityfocus.com/archive/1/449127/100/0/threaded
http://www.securityfocus.com/archive/1/449183/100/0/threaded
http://www.securityfocus.com/bid/20617 Exploit Patch
http://www.us.debian.org/security/2006/dsa-1229
http://www.vupen.com/english/advisories/2006/4097
https://exchange.xforce.ibmcloud.com/vulnerabilities/29663
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