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WS-2023-0252
Good to know:
Date: July 5, 2023
graylog2-server before 5.0.9 and 5.1.x before 5.1.3 utilises only one single source port for DNS queries. An external attacker could inject forged DNS responses into a Graylog's lookup table cache. In order to prevent this, it is at least recommendable to distribute the DNS queries through a pool of distinct sockets, each of them with a random source port and renew them periodically.
Language: Java
Severity Score
Severity Score
Weakness Type (CWE)
Use of Insufficiently Random Values
CWE-330Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | HIGH |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | LOW |
| Integrity (I): | HIGH |
| Availability (A): | NONE |