Security readout for executives and security teams
This flaw affects the rdesktop RDP client, not the Windows RDP service. A malformed clipboard-related response can make vulnerable clients read memory they should not, creating an information leak risk for users connecting with rdesktop versions up to 1.8.3. Exposure is likely on Linux or Unix systems where administrators or users still run rdesktop 1.8.3 or older, especially from unpatched Debian, Gentoo, or openSUSE-era packages. Treat this as a targeted workstation hardening issue, not an internet-facing server emergency. Patch remaining rdesktop clients, especially for administrators, because client-side RDP flaws can expose sensitive memory during remote-access workflows. Mitigation focus: Inventory rdesktop installations and package versions across workstations and admin jump hosts.; Upgrade rdesktop using vendor security updates or upstream fixed code.; Prioritize users who connect to third-party, unmanaged, or less-trusted RDP servers..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-20174 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1CVE reference · x_refsource_MISC
- GLSA-201903-06CVE reference · vendor-advisory, x_refsource_GENTOO
- https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/CVE reference · x_refsource_CONFIRM
- DSA-4394CVE reference · vendor-advisory, x_refsource_DEBIAN
- [debian-lts-announce] 20190219 [SECURITY] [DLA 1683-1] rdesktop security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
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