It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially use information available from the process list to brute force the key, allowing them to hijack other users' sessions.
2018-07-27T18:29:00.860
2024-11-21T03:23:51.520
Modified
CVSSv3.0: 6.5 (MEDIUM)
AV:L/AC:L/Au:N/C:P/I:N/A:N
3.9
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | x.org | libxdmcp | < 1.1.2 | Yes |
Operating System | redhat | enterprise_linux | 7.0 | Yes |
Operating System | redhat | enterprise_linux_desktop | 7.0 | Yes |
Operating System | redhat | enterprise_linux_server | 7.0 | Yes |
Operating System | redhat | enterprise_linux_server_aus | 7.4 | Yes |
Operating System | redhat | enterprise_linux_server_eus | 7.4 | Yes |
Operating System | redhat | enterprise_linux_server_eus | 7.5 | Yes |
Operating System | redhat | enterprise_linux_workstation | 7.0 | Yes |