CVE-2017-2625

MEDIUM
6.5
CVSS Score
Published: July 27, 2018 at 06:00 PM UTC
Updated: June 17, 2026 at 01:16 AM UTC
7 products affected across 2 vendorsEnterprise LinuxEnterprise Linux DesktopEnterprise Linux Server

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 1.1.21.1.2
Affected range stops below 1.1.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (8)

VDB Entryx_refsource_BIDThird Party Advisory
http://www.securityfocus.com/bid/96480
VDB Entryx_refsource_SECTRACKThird Party Advisory
http://www.securitytracker.com/id/1037919
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2017:1865
x_refsource_CONFIRMIssue TrackingThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2625
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/201704-03
x_refsource_MISCExploitThird Party Advisory
https://www.x41-dsec.de/lab/advisories/x41-2017-001-xorg/

CVSS

6.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-331CWE-320

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