CVE-2019-20788
Critical
Description
libvncclient/cursor.c in LibVNCServer through 0.9.12 has a HandleCursorShape integer overflow and heap-based buffer overflow via a large height or width value. NOTE: this may overlap CVE-2019-15690.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Libvnc Project Libvncserver
PublishedApr 23, 2020
First seenApr 23, 2020
How to fix
Update
- siemens simatic_itc1500_firmware3.2.1.0 or later
- siemens simatic_itc1500_pro_firmware3.2.1.0 or later
- siemens simatic_itc1900_firmware3.2.1.0 or later
- siemens simatic_itc1900_pro_firmware3.2.1.0 or later
- siemens simatic_itc2200_firmware3.2.1.0 or later
- siemens simatic_itc2200_pro_firmware3.2.1.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| libvnc_project libvncserver | v ≤ 0.9.12 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04, 18.10 | — |
| debian debian_linux | 8.0, 9.0 | — |
| siemens simatic_itc1500_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1500_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1900_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc1900_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc2200_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
| siemens simatic_itc2200_pro_firmware | 3.0.0.0 ≤ v < 3.2.1.0 | 3.2.1.0 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.