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MEDIUM · 6.5

CVE-2020-14405

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

Vulnerability Description

An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
Libvnc ProjectLibvncserver< 0.9.12
CanonicalUbuntu Linux14.04
DebianDebian Linux8.0
SiemensSimatic Itc1500 Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc1500-
SiemensSimatic Itc1500 Pro Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc1500 Pro-
SiemensSimatic Itc1900 Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc1900-
SiemensSimatic Itc1900 Pro Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc1900 Pro-
SiemensSimatic Itc2200 Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc2200-
SiemensSimatic Itc2200 Pro Firmware>= 3.0.0.0, < 3.2.1.0
SiemensSimatic Itc2200 Pro-

Related Weaknesses (CWE)

CWE-770

References

FAQ

What is CVE-2020-14405?

CVE-2020-14405 is a vulnerability with a CVSS score of 6.5 (MEDIUM). An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.

How severe is CVE-2020-14405?

CVE-2020-14405 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-14405?

Check the references section above for vendor advisories and patch information. Affected products include: Libvnc Project Libvncserver, Canonical Ubuntu Linux, Debian Debian Linux, Siemens Simatic Itc1500 Firmware, Siemens Simatic Itc1500.