CVE-2019-20788: Integer Overflow
First published: Thu Apr 23 2020(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://lists.opensuse.org/opensuse-security-announce/2020-05/msg00027.html
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/54220248886b5001fbbb9fa73c4e1a2cb9413fed
- https://securitylab.github.com/advisories/GHSL-2020-064-libvnc-libvncclient
- https://usn.ubuntu.com/4407-1/
- https://launchpad.net/bugs/cve/CVE-2019-20788
- https://security-tracker.debian.org/tracker/CVE-2019-20788
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20788
- https://nvd.nist.gov/vuln/detail/CVE-2019-20788
- https://ubuntu.com/security/CVE-2019-20788
Frequently Asked Questions
What is CVE-2019-20788?
CVE-2019-20788 is a vulnerability in LibVNCServer that allows an attacker to cause a heap-based buffer overflow by providing a large height or width value.
What is the severity of CVE-2019-20788?
CVE-2019-20788 has a severity rating of 9.8 (Critical).
How does CVE-2019-20788 affect LibVNCServer?
CVE-2019-20788 affects LibVNCServer versions up to 0.9.12.
How can I fix CVE-2019-20788?
To fix CVE-2019-20788, update LibVNCServer to version 0.9.13 or later.
Where can I find more information about CVE-2019-20788?
You can find more information about CVE-2019-20788 on the MITRE CVE website, Ubuntu security notices, and the NIST National Vulnerability Database.
- collector/nvd-index
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/author
- agent/severity
- collector/nvd-cve
- source/NVD
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- agent/description
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- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/tags
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- collector/usn-cve
- source/Ubuntu
- vendor/libvnc project
- canonical/libvnc project libvncserver
- version/libvnc project libvncserver/0.9.12
- 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