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Files from Ivan Poddubny

First Active2021-02-19
Last Active2021-07-22
Asterisk Project Security Advisory - AST-2021-007
Posted Jul 22, 2021
Authored by Joshua Colp, Ivan Poddubny | Site asterisk.org

When Asterisk receives a re-INVITE without SDP after having sent a BYE request a crash will occur. This occurs due to the Asterisk channel no longer being present while code assumes it is.

tags | advisory
advisories | CVE-2021-31878
MD5 | 042104b78f9fbb322ef8db3df2df3291
Asterisk Project Security Advisory - AST-2021-001
Posted Feb 19, 2021
Authored by gjoseph, Ivan Poddubny | Site asterisk.org

If a registered user is tricked into dialing a malicious number that sends lots of 181 responses to Asterisk, each one will cause a 181 to be sent back to the original caller with an increasing number of entries in the ???Supported??? header. Eventually the number of entries in the header exceeds the size of the entry array and causes a crash.

tags | advisory
advisories | CVE-2020-35776
MD5 | ed8e67d55a417eabcbc813bf6eeba9d9
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