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CVE Record

CVE-2018-1000852: FreeRDP FreeRDP 2.0.0-rc3 released version before commit 205c612820dac644d665b5bb1cdf437dc5ca01e3 contains...

FreeRDP FreeRDP 2.0.0-rc3 released version before commit 205c612820dac644d665b5bb1cdf437dc5ca01e3 contains a Other/Unknown vulnerability in channels/drdynvc/client/drdynvc_main.c, drdynvc_process_capability_request that can result in The RDP server can read the client's memory.. This attack appear to be exploitable via RDPClient must connect the rdp server with echo option. This vulnerability appears to have been fixed in after commit 205c612820dac644d665b5bb1cdf437dc5ca01e3.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

A vulnerable FreeRDP client could leak client memory to an RDP server in a specific connection scenario involving the echo option. This is most relevant where users or automation connect FreeRDP clients to external or untrusted RDP servers. Public sources do not provide a CVSS score or evidence of active exploitation.

Executive priority

Treat as a focused remediation item for environments that use FreeRDP clients. It is not supported by current active-exploitation evidence in the provided sources, but memory disclosure from client systems can expose sensitive data when users connect to hostile RDP servers.

Technical view

CVE-2018-1000852 affects FreeRDP 2.0.0-rc3 before the referenced fix in the drdynvc client channel capability handling. The vulnerable function is identified as drdynvc_process_capability_request in channels/drdynvc/client/drdynvc_main.c. The reported result is client memory disclosure to the RDP server when the client connects using the echo option.

Likely exposure

Exposure is mainly on systems running affected FreeRDP client builds, including distribution packages covered by Fedora, Red Hat, and Ubuntu advisories. Risk is higher for clients connecting to untrusted RDP servers or workflows using the echo option.

Exploitation context

The CVE states exploitation requires the RDP client to connect to an RDP server with the echo option. The source bundle does not cite CISA KEV listing, public exploitation, weaponized tooling, or observed attacks.

Researcher notes

The public record is sparse: no CVSS, CWE, or detailed affected CPE list is provided. The strongest technical anchors are the FreeRDP issue, pull request, commit reference, and Linux distribution advisories. Validate exact package fixed versions from the relevant vendor advisory before closure.

Mitigation direction

  • Update FreeRDP using applicable vendor security advisories or fixed packages.
  • Confirm deployed builds include the FreeRDP fix after commit 205c612820dac644d665b5bb1cdf437dc5ca01e3.
  • Avoid using vulnerable FreeRDP clients against untrusted RDP servers.
  • Review whether FreeRDP echo option usage is necessary and disable it where practical.
  • Track Fedora, Red Hat, or Ubuntu package guidance for managed Linux fleets.

Validation and detection

  • Inventory endpoints and servers for installed FreeRDP client packages and versions.
  • Compare installed package versions against Fedora, Red Hat, and Ubuntu advisory fixed versions.
  • For source builds, verify the relevant drdynvc fix is present in the codebase.
  • Identify scripts or user workflows invoking FreeRDP with the echo option.
  • Confirm no unsupported FreeRDP 2.0.0-rc3-era builds remain in production.
Prepared
Confidence
medium
Sources
8

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.