CVE-2006-5444
HighPublic exploitInteger 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…
Published Oct 23, 2006 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2006-5444, DSA-1229-1
Key Facts
Patch immediately- CVE-2006-5444 is a high-severity vulnerability (CVSS 7.5 v2) affecting Asterisk (Digium).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 86% probability of exploitation in the next 30 days.
- Fixed versions are available, including Asterisk 1:1.0.7.dfsg.1-2sarge4, Asterisk 1:1.2.13~dfsg-1.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS (30-day exploit likelihood)
86%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Affected Products
32 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| AsteriskDigium | 0.1.7, 0.1.8, 0.1.9, 0.1.9.1, 0.2, 0.3, 0.4, 0.7 | 1:1.2.13~dfsg-1 |
Patched Releases
Asterisk
1:1.0.7.dfsg.1-2sarge4, 1:1.2.13~dfsg-1
Timeline
Publicly disclosed
Oct 23, 2006
Last updated
Aug 4, 2026
References
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2006-5444
- patchhttp://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.0.12
- patchhttp://ftp.digium.com/pub/asterisk/releases/ChangeLog-1.2.13
- patch22480
- patch1017089
FAQ
Common Questions.
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 buf…
Affected: Asterisk (Digium) versions 0.1.7, 0.1.8, 0.1.9, 0.1.9.1, 0.2, 0.3, 0.4, 0.7. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Asterisk 1:1.0.7.dfsg.1-2sarge4, Asterisk 1:1.2.13~dfsg-1.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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