// For flags

CVE-2018-8789

Ubuntu Security Notice USN-3845-1

Severity Score

7.5
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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).

FreeRDP en versiones anteriores a la 2.0.0-rc4 contiene varias lecturas fuera de límites en el módulgo NTLM Authentication que resulta en una denegación de servicio (fallo de segmentación).

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10. Eyal Itkin discovered FreeRDP incorrectly handled bitmaps. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2018-03-19 CVE Reserved
  • 2018-11-29 CVE Published
  • 2024-09-16 CVE Updated
  • 2024-09-16 First Exploit
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-126: Buffer Over-read
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Freerdp
Search vendor "Freerdp"
Freerdp
Search vendor "Freerdp" for product "Freerdp"
<= 1.2.0
Search vendor "Freerdp" for product "Freerdp" and version " <= 1.2.0"
-
Affected
Freerdp
Search vendor "Freerdp"
Freerdp
Search vendor "Freerdp" for product "Freerdp"
2.0.0
Search vendor "Freerdp" for product "Freerdp" and version "2.0.0"
rc1
Affected
Freerdp
Search vendor "Freerdp"
Freerdp
Search vendor "Freerdp" for product "Freerdp"
2.0.0
Search vendor "Freerdp" for product "Freerdp" and version "2.0.0"
rc2
Affected
Freerdp
Search vendor "Freerdp"
Freerdp
Search vendor "Freerdp" for product "Freerdp"
2.0.0
Search vendor "Freerdp" for product "Freerdp" and version "2.0.0"
rc3
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
14.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
16.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"
lts
Affected
Canonical
Search vendor "Canonical"
Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.04
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"
lts
Affected
Canonical
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Ubuntu Linux
Search vendor "Canonical" for product "Ubuntu Linux"
18.10
Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"
-
Affected
Debian
Search vendor "Debian"
Debian Linux
Search vendor "Debian" for product "Debian Linux"
8.0
Search vendor "Debian" for product "Debian Linux" and version "8.0"
-
Affected