CVE-2019-20788
libvncserver: integer overflow and heap-based buffer overflow in libvncclient/cursor.c in HandleCursorShape function
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD. Niedriger laut Ubuntu (mittel).
Beschreibung
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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| debian 10 | libvncserver | 0.9.11+dfsg-1.3+deb10u3 |
| debian 11 | libvncserver | 0.9.12+dfsg-9 |
| debian 12 | libvncserver | 0.9.12+dfsg-9 |
| debian 13 | libvncserver | 0.9.12+dfsg-9 |
| debian 14 | libvncserver | 0.9.12+dfsg-9 |
| debian 8 | libvncserver | 0.9.9+dfsg2-6.1+deb8u7 |
| debian 9 | libvncserver | 0.9.11+dfsg-1.3~deb9u4 |
| echo | libvncserver | 0.9.12+dfsg-9 |
| ubuntu 16.04 | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.4 |
| ubuntu 16.04-ESM | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.4 |
| ubuntu 18.04 | libvncserver | 0.9.11+dfsg-1ubuntu1.2 |
| ubuntu 18.04-ESM | libvncserver | 0.9.11+dfsg-1ubuntu1.2 |
Alle 13 Einträge aus 13 Quellen zeigen
| Quelle | Paket | Behoben in |
|---|---|---|
| debian 10 | libvncserver | 0.9.11+dfsg-1.3+deb10u3 |
| debian 11 | libvncserver | 0.9.12+dfsg-9 |
| debian 12 | libvncserver | 0.9.12+dfsg-9 |
| debian 13 | libvncserver | 0.9.12+dfsg-9 |
| debian 14 | libvncserver | 0.9.12+dfsg-9 |
| debian 8 | libvncserver | 0.9.9+dfsg2-6.1+deb8u7 |
| debian 9 | libvncserver | 0.9.11+dfsg-1.3~deb9u4 |
| echo | libvncserver | 0.9.12+dfsg-9 |
| ubuntu 16.04 | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.4 |
| ubuntu 16.04-ESM | libvncserver | 0.9.10+dfsg-3ubuntu0.16.04.4 |
| ubuntu 18.04 | libvncserver | 0.9.11+dfsg-1ubuntu1.2 |
| ubuntu 18.04-ESM | libvncserver | 0.9.11+dfsg-1ubuntu1.2 |
| ubuntu 19.10 | libvncserver | 0.9.11+dfsg-1.3ubuntu0.1 |
Referenzen
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://access.redhat.com/security/cve/CVE-2019-20788
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://nvd.nist.gov/vuln/detail/CVE-2019-20788
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://ubuntu.com/security/notices/USN-4407-1
- https://usn.ubuntu.com/4407-1/