Vulnerability Intelligence Report
CVE-2007-4103
The IAX2 channel driver (chan_iax2) in Asterisk Open 1.2.x before 1.2.23, 1.4.x before 1.4.9, and Asterisk Appliance Developer Kit before 0.6.0, when configured to allow unauthenticated calls, allows remote attackers to cause a denial of service (resource exhaustion) via a flood of calls that do not complete a 3-way handshake, which causes an ast_channel to be allocated but not released.
No Active Exploit Signals
CVSS Base Score
7.5
HIGH
EPSS Probability:5.94%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| digium | asterisk | all |
| digium | asterisk_appliance_developer_kit | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
5.943%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2007-07-30T00:00:00 |
| Published | 2007-07-31T10:00:00 |
| Patch Date | 2007-07-29 |
| Last Updated | 2024-08-07T14:46:38 |
Community Chatter & Buzz