National Vulnerability Database

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    Vulnerabilities Detail

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
Description Last Modified:  07/27/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information

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://security.gentoo.org/glsa/201704-03 Third Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/ Exploit Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-2625
NVD Published Date:
07/27/2018
NVD Last Modified:
10/03/2018