critical9.8
CVE-2019-20788
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.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libvnc Project | Libvncserver | through 0.9.12 |
| Canonical | Ubuntu Linux | Versions 14.04, 16.04, 18.04, 18.10 |
| Debian | Debian Linux | Versions 8.0, 9.0 |
| Siemens | Simatic Itc1500 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1500 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1900 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc1900 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc2200 Firmware | from 3.0.0.0 before 3.2.1.0 |
| Siemens | Simatic Itc2200 Pro Firmware | from 3.0.0.0 before 3.2.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://usn.ubuntu.com/4407-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://usn.ubuntu.com/4407-1/