National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-2625 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score: 6.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink 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

Weakness Enumeration

CWE-ID CWE Name Source
CWE-320 Key Management Errors NIST  
CWE-331 Insufficient Entropy Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:x.org:libxdmcp:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
1.1.2

Configuration 2 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.4:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-2625
NVD Published Date:
07/27/2018
NVD Last Modified:
10/09/2019