medium6.5
CVE-2017-2625
It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| X.Org | Libxdmcp | before 1.1.2 |
| Redhat | Enterprise Linux | Version 7.0 |
| Redhat | Enterprise Linux Desktop | Version 7.0 |
| Redhat | Enterprise Linux Server | Version 7.0 |
| Redhat | Enterprise Linux Server Aus | Version 7.4 |
| Redhat | Enterprise Linux Server Eus | Versions 7.4, 7.5 |
| Redhat | Enterprise Linux Workstation | Version 7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/96480
- http://www.securitytracker.com/id/1037919
- https://access.redhat.com/errata/RHSA-2017:1865
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625
- https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f
- https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html
- https://security.gentoo.org/glsa/201704-03
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/
- http://www.securityfocus.com/bid/96480
- http://www.securitytracker.com/id/1037919
- https://access.redhat.com/errata/RHSA-2017:1865
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625
- https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f
- https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html
- https://security.gentoo.org/glsa/201704-03
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/