9.8
CVE-2017-18922
- EPSS 2.26%
- Veröffentlicht 30.06.2020 11:15:10
- Zuletzt bearbeitet 21.11.2024 03:21:16
- Erkennungen
LoginIt 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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Libvncserver Project ≫ Libvncserver Version < 0.9.12
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 19.10
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Fedoraproject ≫ Fedora Version 31
Fedoraproject ≫ Fedora Version 32
Siemens ≫ Simatic Itc1500 Firmware Version >= 3.0.0.0 < 3.2.1.0
Siemens ≫ Simatic Itc1500 Pro Firmware Version >= 3.0.0.0 < 3.2.1.0
Siemens ≫ Simatic Itc1900 Firmware Version >= 3.0.0.0 < 3.2.1.0
Siemens ≫ Simatic Itc1900 Pro Firmware Version >= 3.0.0.0 < 3.2.1.0
Siemens ≫ Simatic Itc2200 Firmware Version >= 3.0.0.0 < 3.2.1.0
Siemens ≫ Simatic Itc2200 Pro Firmware Version >= 3.0.0.0 < 3.2.1.0
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 2.26% | 0.807 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| NIST | 9.8 | 3.9 | 5.9 |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| NIST | 7.5 | 10 | 6.4 |
AV:N/AC:L/Au:N/C:P/I:P/A:P
|
CWE-787 Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
https://usn.ubuntu.com/4407-1/
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
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/
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00028.html
http://www.openwall.com/lists/oss-security/2020/06/30/3
https://bugzilla.redhat.com/show_bug.cgi?id=1852356
https://github.com/LibVNC/libvncserver/commit/aac95a9dcf4bbba87b76c72706c3221a842ca433
https://www.openwall.com/lists/oss-security/2020/06/30/2