The Publish/Subscribe Framework in the PJSIP channel driver in Asterisk Open Source 12.x prior to 12.3.1, when sub_min_expiry is set to zero, allows remote malicious users to cause a denial of service (assertion failure and crash) via an unsubscribe request when not subscribed to the device.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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digium asterisk 12.2.0 |
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digium asterisk 12.0.0 |
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digium asterisk 12.1.0 |
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digium asterisk 12.1.1 |
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digium asterisk 12.3.0 |