CVE-2018-20750
First published: Wed Jan 30 2019(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libvnc Project Libvncserver | <0.9.12 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Siemens Simatic Itc1500 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1500 | ||
| Siemens Simatic Itc1500 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1500 Pro | ||
| Siemens Simatic Itc1900 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1900 | ||
| Siemens Simatic Itc1900 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1900 Pro | ||
| Siemens Simatic Itc2200 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc2200 | ||
| Siemens Simatic Itc2200 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc2200 Pro | ||
| All of | ||
| Siemens Simatic Itc1500 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1500 | ||
| All of | ||
| Siemens Simatic Itc1500 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1500 Pro | ||
| All of | ||
| Siemens Simatic Itc1900 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1900 | ||
| All of | ||
| Siemens Simatic Itc1900 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc1900 Pro | ||
| All of | ||
| Siemens Simatic Itc2200 Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc2200 | ||
| All of | ||
| Siemens Simatic Itc2200 Pro Firmware | >=3.0.0.0<3.2.1.0 | |
| Siemens Simatic Itc2200 Pro | ||
| debian/libvncserver | 0.9.13+dfsg-2+deb11u1 0.9.14+dfsg-1 |
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Reference Links
- http://www.securityfocus.com/bid/106825
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/09e8fc02f59f16e2583b34fe1a270c238bd9ffec
- https://github.com/LibVNC/libvncserver/issues/273
- https://lists.debian.org/debian-lts-announce/2019/01/msg00029.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://usn.ubuntu.com/3877-1/
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4587-1/
- https://www.openwall.com/lists/oss-security/2018/12/10/8
- https://launchpad.net/bugs/cve/CVE-2018-20750
- https://security-tracker.debian.org/tracker/CVE-2018-20750
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20750
- https://nvd.nist.gov/vuln/detail/CVE-2018-20750
- https://ubuntu.com/security/CVE-2018-20750
Frequently Asked Questions
What is the severity of CVE-2018-20750?
The severity of CVE-2018-20750 is critical with a CVSS score of 9.8.
How does CVE-2018-20750 affect LibVNC?
CVE-2018-20750 affects LibVNC through version 0.9.12.
What is the vulnerability description of CVE-2018-20750?
CVE-2018-20750 is a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c in LibVNC.
Which software is affected by CVE-2018-20750?
The following software versions are affected by CVE-2018-20750: italc 1:3.0.3+dfsg1-3ubuntu0.1, italc 1:3.0.3+dfsg1-1+ / 1:2.0.2+dfsg1-2+, italc 1:2.0.2+dfsg1-4ubuntu0.1, libvncserver 0.9.11+dfsg-1ubuntu1.1, libvncserver 0.9.11+dfsg-1.1ubuntu0.1, libvncserver 0.9.9+dfsg-1ubuntu1.4, libvncserver 0.9.11+dfsg-1.3, libvncserver 0.9.10+dfsg-3ubuntu0.16.04.3, libvncserver 0.9.11+dfsg-1.3+deb10u4 / 0.9.11+dfsg-1.3+deb10u5 / 0.9.13+dfsg-2+deb11u1 / 0.9.14+dfsg-1.
How do I fix the CVE-2018-20750 vulnerability?
To fix the CVE-2018-20750 vulnerability, update to the following versions: italc 1:3.0.3+dfsg1-3ubuntu0.1, italc 1:3.0.3+dfsg1-1+ / 1:2.0.2+dfsg1-2+, italc 1:2.0.2+dfsg1-4ubuntu0.1, libvncserver 0.9.11+dfsg-1ubuntu1.1, libvncserver 0.9.11+dfsg-1.1ubuntu0.1, libvncserver 0.9.9+dfsg-1ubuntu1.4, libvncserver 0.9.11+dfsg-1.3, libvncserver 0.9.10+dfsg-3ubuntu0.16.04.3, libvncserver 0.9.11+dfsg-1.3+deb10u4 / 0.9.11+dfsg-1.3+deb10u5 / 0.9.13+dfsg-2+deb11u1 / 0.9.14+dfsg-1.
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- collector/security-tracker-debian
- source/Debian
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/softwarecombine
- agent/description
- agent/first-publish-date
- agent/tags
- agent/event
- agent/trending
- vendor/libvnc project
- canonical/libvnc project libvncserver
- vendor/canonical
- canonical/canonical ubuntu linux
- version/canonical ubuntu linux/14.04
- version/canonical ubuntu linux/16.04
- version/canonical ubuntu linux/18.04
- version/canonical ubuntu linux/18.10
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0
- vendor/siemens
- canonical/siemens simatic itc1500 firmware
- version/siemens simatic itc1500 firmware/3.0.0.0
- canonical/siemens simatic itc1500
- canonical/siemens simatic itc1500 pro firmware
- version/siemens simatic itc1500 pro firmware/3.0.0.0
- canonical/siemens simatic itc1500 pro
- canonical/siemens simatic itc1900 firmware
- version/siemens simatic itc1900 firmware/3.0.0.0
- canonical/siemens simatic itc1900
- canonical/siemens simatic itc1900 pro firmware
- version/siemens simatic itc1900 pro firmware/3.0.0.0
- canonical/siemens simatic itc1900 pro
- canonical/siemens simatic itc2200 firmware
- version/siemens simatic itc2200 firmware/3.0.0.0
- canonical/siemens simatic itc2200
- canonical/siemens simatic itc2200 pro firmware
- version/siemens simatic itc2200 pro firmware/3.0.0.0
- canonical/siemens simatic itc2200 pro
- package-manager/debian