CVE-2017-2625
Xdmcp Weak Session Key Generation
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.
INFO
Published Date :
July 27, 2018, 6:29 p.m.
Last Modified :
Feb. 12, 2023, 11:29 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.0
Exploitability Score :
2.0
Public PoC/Exploit Available at Github
CVE-2017-2625 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2017-2625
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-2625.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/96480 | Third Party Advisory VDB Entry |
| http://www.securitytracker.com/id/1037919 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:1865 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625 | Issue Tracking Third Party Advisory |
| https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html | |
| https://security.gentoo.org/glsa/201704-03 | Third Party Advisory |
| https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ | Exploit Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Hack the box course
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-2625 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-2625 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description It was discovered that libXdmcp 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. 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. Removed Reference https://access.redhat.com/security/cve/CVE-2017-2625 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1424987 [No Types Assigned] Added CWE Red Hat, Inc. CWE-331 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed 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. It was discovered that libXdmcp 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. Added Reference https://access.redhat.com/security/cve/CVE-2017-2625 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1424987 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-331 Removed CWE Reason CWE-331 / Assessment performed prior to CVMAP efforts -
CVE Modified by [email protected]
Nov. 26, 2019
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2019/11/msg00024.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Added CWE Red Hat, Inc. CWE-331 -
Initial Analysis by [email protected]
Oct. 03, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://access.redhat.com/errata/RHSA-2017:1865 No Types Assigned https://access.redhat.com/errata/RHSA-2017:1865 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625 Issue Tracking, Third Party Advisory Changed Reference Type https://security.gentoo.org/glsa/201704-03 No Types Assigned https://security.gentoo.org/glsa/201704-03 Third Party Advisory Changed Reference Type https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ No Types Assigned https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ Exploit, Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/96480 No Types Assigned http://www.securityfocus.com/bid/96480 Third Party Advisory, VDB Entry Changed Reference Type https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f No Types Assigned https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f Third Party Advisory Changed Reference Type http://www.securitytracker.com/id/1037919 No Types Assigned http://www.securitytracker.com/id/1037919 Third Party Advisory, VDB Entry Added CWE CWE-320 Added CPE Configuration OR *cpe:2.3:a:x.org:libxdmcp:*:*:*:*:*:*:*:* versions up to (excluding) 1.1.2 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Aug. 04, 2018
Action Type Old Value New Value Added Reference https://cgit.freedesktop.org/xorg/lib/libXdmcp/commit/?id=0554324ec6bbc2071f5d1f8ad211a1643e29eb1f [No Types Assigned] -
CVE Modified by [email protected]
Jul. 29, 2018
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201704-03 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1865 [No Types Assigned] Added Reference http://www.securitytracker.com/id/1037919 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/96480 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-2625 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-2625
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile