CVE-2017-18922
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
30/06/2020
Last modified:
07/11/2023
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.
Impact
Base Score 3.x
9.80
Severity 3.x
CRITICAL
Base Score 2.0
7.50
Severity 2.0
HIGH
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:a:libvncserver_project:libvncserver:*:*:*:*:*:*:*:* | 0.9.12 (excluding) | |
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | ||
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* | ||
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* | ||
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | ||
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* | ||
cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:* | 3.0.0.0 (including) | 3.2.1.0 (excluding) |
cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:* | 3.0.0.0 (including) | 3.2.1.0 (excluding) |
cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:* | ||
cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:* | 3.0.0.0 (including) | 3.2.1.0 (excluding) |
cpe:2.3:h:siemens:simatic_itc1900:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
- http://www.openwall.com/lists/oss-security/2020/06/30/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1852356
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/
- https://usn.ubuntu.com/4407-1/
- https://www.openwall.com/lists/oss-security/2020/06/30/2