Security readout for executives and security teams
CVE-2018-20176 affects the rdesktop RDP client through out-of-bounds reads in secure.c. The documented impact is denial of service: the client can segfault. This is mainly a workstation or administrator tooling risk, not a Windows RDP server flaw based on the provided sources. Exposure is likely where rdesktop v1.8.3 or older is installed, including older distribution packages. The practical concern is users or administrators connecting with a vulnerable rdesktop client, especially to untrusted or compromised RDP endpoints. The supplied evidence does not identify server-side RDP products as affected. Address during normal vulnerability remediation, with higher priority for administrator workstations or environments that connect to third-party RDP servers. The known impact is client crash, and the bundle provides no active exploitation evidence, but outdated remote-access tools still create avoidable operational risk. Mitigation focus: Upgrade rdesktop through supported vendor packages or upstream guidance.; Prioritize removal of rdesktop v1.8.3 and earlier from administrator workstations.; Avoid connecting vulnerable clients to untrusted 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-2018-20176 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
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.