CVE-2007-4455
5.0 · MEDIUMThe 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…
Overview
CVE-2007-4455 is a medium-severity vulnerability affecting asterisk asterisk. It was published on August 22, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from asterisk. Update asterisk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| asterisk | asterisk | 0 | Affected |
| asterisk | asterisk_appliance_developer_kit | 0 | Affected |
| asterisk | asterisknow | 0 | Affected |
References
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Frequently asked questions
What is CVE-2007-4455?
CVE-2007-4455 is a medium-severity vulnerability affecting asterisk asterisk. It was published on August 22, 2007 and has a CVSS 2.0 base score of 5.0 (MEDIUM).
How severe is CVE-2007-4455?
This vulnerability has a CVSS 2.0 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2007-4455?
Check the references section for vendor advisories and patches from asterisk. Update asterisk to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2007-4455?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4455 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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