Asterisk is an open source private branch exchange and telephony toolkit. After upgrade to 18.23.0, ALL unauthorized SIP requests are identified as PJSIP Endpoint of local asterisk server. This vulnerability is fixed in 18.23.1, 20.8.1, and 21.3.1.
Incorrect Implementation of Authentication Algorithm
description
The requirements for the product dictate the use of an established authentication algorithm, but the implementation of the algorithm is incorrect.
1
cwe_id
480
name
Use of Incorrect Operator
description
The product accidentally uses the wrong operator, which changes the logic in security-relevant ways.
2
cwe_id
670
name
Always-Incorrect Control Flow Implementation
description
The code contains a control flow path that does not reflect the algorithm that the path is intended to implement, leading to incorrect behavior any time this path is navigated.