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Files from gjoseph

Email addressgjoseph at digium.com
First Active2019-11-21
Last Active2021-02-19
Asterisk Project Security Advisory - AST-2021-004
Posted Feb 19, 2021
Authored by gjoseph, Edvin Vidmar | Site asterisk.org

Due to a signedness comparison mismatch, an authenticated WebRTC client could cause a stack overflow and Asterisk crash by sending multiple hold/unhold requests in quick succession.

tags | advisory, overflow
advisories | CVE-2021-26714
MD5 | dc5c07944f96d4d9261f4fc7c3838eba
Asterisk Project Security Advisory - AST-2021-003
Posted Feb 19, 2021
Authored by Alexander Traud, gjoseph | Site asterisk.org

An unauthenticated remote attacker could replay SRTP packets which could cause an Asterisk instance configured without strict RTP validation to tear down calls prematurely.

tags | advisory, remote
advisories | CVE-2021-26712
MD5 | 0f76303538e81a54f1a8afa8eb908e23
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
Asterisk Project Security Advisory - AST-2019-007
Posted Nov 21, 2019
Authored by gjoseph | Site asterisk.org

Asterisk Project Security Advisory - A remote authenticated Asterisk Manager Interface (AMI) user without system authorization could use a specially crafted Originate AMI request to execute arbitrary system commands.

tags | advisory, remote, arbitrary
advisories | CVE-2019-18610
MD5 | cbb285287ccc5a199bbcb95ce16f5667
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