The SIP channel driver (chan_sip) in Asterisk prior to 1.2.18 and 1.4.x prior to 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote malicious users to cause a denial of service (crash).
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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asterisk asterisk 1.2.0_beta2 |
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asterisk asterisk 1.2.10 |
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asterisk asterisk 1.2.17 |
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asterisk asterisk 1.4.1 |
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asterisk asterisk 1.2.0_beta1 |
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asterisk asterisk 1.2.15 |
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asterisk asterisk 1.2.16 |
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asterisk asterisk 1.2.11 |
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asterisk asterisk 1.2.12 |
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asterisk asterisk 1.4.2 |
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asterisk asterisk 1.4_beta |
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asterisk asterisk 1.2.13 |
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asterisk asterisk 1.2.14 |