Asterisk Open Source 1.2.x prior to 1.2.32, 1.4.x prior to 1.4.24.1, and 1.6.0.x prior to 1.6.0.8; Asterisk Business Edition A.x.x, B.x.x before B.2.5.8, C.1.x.x before C.1.10.5, and C.2.x.x before C.2.3.3; s800i 1.3.x prior to 1.3.0.2; and Trixbox PBX 2.6.1, when Digest authentication and authalwaysreject are enabled, generates different responses depending on whether a SIP username is valid, which allows remote malicious users to enumerate valid usernames.
Vulnerable Product | Search on Vulmon | Subscribe to Product |
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asterisk p b x 1.2.22 |
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asterisk p b x 1.4.21.1 |
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asterisk p b x 1.6 |
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trixbox pbx 2.6.1 |
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asterisk p b x 1.2 |