CVE-2017-2625
- Source
- https://cve.org/CVERecord?id=CVE-2017-2625
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-2625.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2017-2625
- Downstream
- Related
- Published
- 2018-07-27T18:29:00.860Z
- Modified
- 2026-01-30T10:39:40.089367Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html
- 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://security.gentoo.org/glsa/201704-03
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625
- https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/
Affected packages
Git / gitlab.freedesktop.org/xorg/lib/libxdmcp
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.freedesktop.org/xorg/lib/libxdmcp
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Affected versions
Other
MODULAR_COPY
PRE_xf86-4_3_0_1
XACE-SELINUX-MERGE
XORG-6_7_99_1
XORG-6_7_99_2
XORG-6_7_99_901
XORG-6_7_99_902
XORG-6_7_99_903
XORG-6_7_99_904
XORG-6_8_0
XORG-6_8_1
XORG-6_8_1_901
XORG-6_8_1_902
XORG-6_8_1_903
XORG-6_8_1_904
XORG-6_8_2
XORG-6_8_99_1
XORG-6_8_99_10
XORG-6_8_99_11
XORG-6_8_99_12
XORG-6_8_99_13
XORG-6_8_99_14
XORG-6_8_99_15
XORG-6_8_99_16
XORG-6_8_99_2
XORG-6_8_99_3
XORG-6_8_99_4
XORG-6_8_99_5
XORG-6_8_99_6
XORG-6_8_99_7
XORG-6_8_99_8
XORG-6_8_99_9
XORG-6_8_99_900
XORG-6_8_99_901
XORG-6_8_99_902
XORG-6_8_99_903
XORG-6_99_99_900
XORG-6_99_99_901
XORG-6_99_99_902
XORG-6_99_99_903
XORG-6_99_99_904
XORG-7_0
XORG-7_0_99_901
XORG-7_1
XORG-MAIN
lg3d-base
lg3d-rel-0-6-2
lg3d-rel-0-7-0
libXdmcp-1_0_1
rel-0-6-1
sco_port_update-base
xf86-012804-2330
xf86-4_3_0_1
xf86-4_3_99_16
xf86-4_3_99_901
xf86-4_3_99_902
xf86-4_3_99_903
xf86-4_3_99_903_special
xf86-4_4_0
xf86-4_4_99_1
libXdmcp-1.*
libXdmcp-1.0.2
libXdmcp-1.0.3
libXdmcp-1.1.0
libXdmcp-1.1.1