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TI-2018-06337 Aliases CVE-2018-8789GHSA-4cwq-wchg-fr2c

Out-of-bounds read in Check Point Software Technologies Ltd. FreeRDP

Priority MEDIUM 41CWE-126Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-126 and the CVSS impact.

Summary

FreeRDP prior to version 2.0.0-rc4 contains several Out-Of-Bounds Reads in the NTLM Authentication module that results in a Denial of Service (segfault).

Why it matters now

EPSS 0.05238 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed FreeRDP (Check Point Software Technologies Ltd.): 2.0.0-rc4

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Check Point Software Technologies Ltd.FreeRDPbefore 2.0.0-rc42.0.0-rc4Patch availableCNA
  • FreeRDP VendorCheck Point Software Technologies Ltd. Affected before 2.0.0-rc4 Fixed in 2.0.0-rc4 Patch available CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*up to 1.2.0VulnerableFreeRDP
cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:*2.0.0 rc1VulnerableFreeRDP
cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:*2.0.0 rc2VulnerableFreeRDP
cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:*2.0.0 rc3VulnerableFreeRDP
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*18.10VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
  • cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:* Versions up to 1.2.0 Vulnerable ·FreeRDP
  • cpe:2.3:a:freerdp:freerdp:2.0.0:rc1:*:*:*:*:*:* Versions 2.0.0 rc1 Vulnerable ·FreeRDP
  • cpe:2.3:a:freerdp:freerdp:2.0.0:rc2:*:*:*:*:*:* Versions 2.0.0 rc2 Vulnerable ·FreeRDP
  • cpe:2.3:a:freerdp:freerdp:2.0.0:rc3:*:*:*:*:*:* Versions 2.0.0 rc3 Vulnerable ·FreeRDP
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* Versions 18.10 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian

Remediation

  • Fix · CNA FreeRDP (Check Point Software Technologies Ltd.) Fixed in 2.0.0-rc4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Check Point Software Technologies FreeRDP — USN-3845-1

    6 records Highest priority Priority MEDIUM 6 MEDIUM

    Other records, highest priority first

    • TI-2018-06335 Integer overflow in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 53
    • TI-2018-06334 Incorrect numeric conversion in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 53
    • TI-2018-06336 Out-of-bounds write in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 52
  • Advisory ·

    Check Point Software Technologies FreeRDP — USN-3845-2

    4 records Highest priority Priority MEDIUM 4 MEDIUM

    Other records, highest priority first

    • TI-2018-06335 Integer overflow in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 53
    • TI-2018-06334 Incorrect numeric conversion in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 53
    • TI-2018-06336 Out-of-bounds write in Check Point Software Technologies Ltd. FreeRDPPriority MEDIUM 52

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-8789
  2. 2026-10-03 Alias added: GHSA-4cwq-wchg-fr2c

References

Sources