CVE-2017-18922
Summary
| CVE | CVE-2017-18922 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2020-06-30 11:15:00 UTC |
| Updated | 2023-11-07 02:41:00 UTC |
| Description | It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow. |
Risk And Classification
Problem Types: CWE-787
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 16.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 18.04 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 19.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 20.04 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Operating System | Fedoraproject | Fedora | 31 | All | All | All |
| Operating System | Fedoraproject | Fedora | 32 | All | All | All |
| Application | Libvncserver Project | Libvncserver | All | All | All | All |
| Application | Libvncserver Project | Libvncserver | All | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Operating System | Opensuse | Leap | 15.1 | All | All | All |
| Operating System | Opensuse | Leap | 15.2 | All | All | All |
| Hardware | Siemens | Simatic Itc1500 | - | All | All | All |
| Operating System | Siemens | Simatic Itc1500 Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Itc1500 Pro | - | All | All | All |
| Operating System | Siemens | Simatic Itc1500 Pro Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Itc1900 | - | All | All | All |
| Operating System | Siemens | Simatic Itc1900 Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Itc1900 Pro | - | All | All | All |
| Operating System | Siemens | Simatic Itc1900 Pro Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Itc2200 | - | All | All | All |
| Operating System | Siemens | Simatic Itc2200 Firmware | All | All | All | All |
| Hardware | Siemens | Simatic Itc2200 Pro | - | All | All | All |
| Operating System | Siemens | Simatic Itc2200 Pro Firmware | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| fix overflow and refactor websockets decode (Hybi) · LibVNC/libvncserver@aac95a9 · GitHub | MISC | github.com | Patch, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:1056-1: important: Security update | SUSE | lists.opensuse.org | |
| [security-announce] openSUSE-SU-2020:0988-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:0978-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| USN-4407-1: LibVNCServer vulnerabilities | Ubuntu security notices | Ubuntu | UBUNTU | usn.ubuntu.com | Patch, Third Party Advisory |
| [SECURITY] Fedora 31 Update: libvncserver-0.9.13-2.fc31 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 32 Update: libvncserver-0.9.13-2.fc32 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| [SECURITY] Fedora 31 Update: libvncserver-0.9.13-2.fc31 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Mailing List, Third Party Advisory |
| oss-security - libvncserver: old websocket decoding patch | MISC | www.openwall.com | Mailing List, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:0960-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| 1852356 – (CVE-2017-18922) CVE-2017-18922 libvncserver: websocket decoding buffer overflow | MISC | bugzilla.redhat.com | Issue Tracking, Third Party Advisory |
| [SECURITY] Fedora 32 Update: libvncserver-0.9.13-2.fc32 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | Mailing List, Third Party Advisory |
| [security-announce] openSUSE-SU-2020:1025-1: important: Security update | SUSE | lists.opensuse.org | Mailing List, Third Party Advisory |
| oss-security - Re: libvncserver: old websocket decoding patch | MLIST | www.openwall.com | Mailing List, Third Party Advisory |
| cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf | CONFIRM | cert-portal.siemens.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.