OpenVPN before 2.6.11 does not santize PUSH_REPLY messages properly which attackers can use to inject unexpected arbitrary data into third-party executables or plug-ins.
OpenVPN anterior a 2.6.11 no desinfecta adecuadamente los mensajes PUSH_REPLY, lo cual los atacantes pueden usar para inyectar datos arbitrarios inesperados en ejecutables o complementos de terceros.
Reynir Bjoernsson discovered that OpenVPN incorrectly handled terminating client connections. A remote authenticated client could possibly use this issue to keep the connection active, bypassing certain security policies. This issue only affected Ubuntu 23.10, and Ubuntu 24.04 LTS. Reynir Bjoernsson discovered that OpenVPN incorrectly handled certain control channel messages with nonprintable characters. A remote attacker could possibly use this issue to cause OpenVPN to consume resources, or fill up log files with garbage, leading to a denial of service.
