CVE-2017-2625
First published: Mon Feb 20 2017(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| X.org Libxdmcp | <1.1.2 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux Desktop | =7.0 | |
| Redhat Enterprise Linux Server | =7.0 | |
| Redhat Enterprise Linux Server Aus | =7.4 | |
| Redhat Enterprise Linux Server Eus | =7.4 | |
| Redhat Enterprise Linux Server Eus | =7.5 | |
| Redhat Enterprise Linux Workstation | =7.0 |
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Reference Links
- 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/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1427716
- https://access.redhat.com/security/updates/classification/
- https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=6d1aee0310001eca8f6ded9814a2a70b3a774896
- https://bugzilla.redhat.com/show_bug.cgi?id=1424987
- collector/nvd-index
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2017-2625
- agent/weakness
- agent/type
- agent/references
- agent/tags
- agent/severity
- agent/author
- agent/description
- agent/event
- collector/mitre-cve
- source/MITRE
- vendor/x.org
- canonical/x.org libxdmcp
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/7.0
- canonical/redhat enterprise linux desktop
- version/redhat enterprise linux desktop/7.0
- canonical/redhat enterprise linux server
- version/redhat enterprise linux server/7.0
- canonical/redhat enterprise linux server aus
- version/redhat enterprise linux server aus/7.4
- canonical/redhat enterprise linux server eus
- version/redhat enterprise linux server eus/7.4
- version/redhat enterprise linux server eus/7.5
- canonical/redhat enterprise linux workstation
- version/redhat enterprise linux workstation/7.0