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CVE-2007-4455

Published: Aug 22, 2007Updated: Apr 23, 2026 Sources: CVE List NVDNVD-CWE-Other
NVD MITRE
5.0CVSSMEDIUM
EPSS Score
1.8%
Top 24.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

The SIP channel driver (chan_sip) in Asterisk Open Source 1.4.x before 1.4.11, AsteriskNOW before beta7, Asterisk Appliance Developer Kit 0.x before 0.8.0, and s800i (Asterisk Appliance) 1.x before 1.0.3 allows remote attackers to cause a denial of service (memory exhaustion) via a SIP dialog that causes a large number of history entries to be created.

CVSS Vector Breakdown

AV:NAC:LAu:NC:NI:NA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:PAvailability
Partial
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Weaknesses

NVD-CWE-Other

Affected Products

asteriskasterisk
On-premWeb App
Communications / voip-telephony
asterisk appliance developer kitasterisk
On-prem
Communications / voip-telephony
asterisknowasterisk
On-prem
Communications / voip-telephony
n/an/a
asteriskoss-projectCommunicationsaka open source, asterisk appliance developer kit

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

http://downloads.digium.com/pub/asa/AST-2007-020.html
downloads.digium.com
http://seclists.org/fulldisclosure/2007/Aug/0393.html
seclists.org
http://secunia.com/advisories/26553
secunia.com
and 5 more references View all →

Timeline

Published
Aug 22, 2007
Last Updated
Apr 23, 2026

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