vulnerability
Ubuntu: USN-5690-1 (CVE-2017-2625): libXdmcp vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Jul 6, 2017 | Oct 20, 2022 | Aug 18, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Jul 6, 2017
Added
Oct 20, 2022
Modified
Aug 18, 2025
Description
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.
Solution
ubuntu-pro-upgrade-libxdmcp6
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