CVE-2020-14401: Integer Overflow
First published: Wed Jun 17 2020(Updated: )
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/scale.c has a pixel_value integer overflow.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libvncserver Project Libvncserver | <0.9.13 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| openSUSE Leap | =15.1 | |
| openSUSE Leap | =15.2 | |
| 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/2020-07/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://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/a6788d1da719ae006605b78d22f5a9f170b423af
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
- https://usn.ubuntu.com/4434-1/
- https://launchpad.net/bugs/cve/CVE-2020-14401
- https://security-tracker.debian.org/tracker/CVE-2020-14401
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14401
- https://nvd.nist.gov/vuln/detail/CVE-2020-14401
- https://ubuntu.com/security/CVE-2020-14401
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID of this issue is CVE-2020-14401.
What is the severity of CVE-2020-14401?
The severity of CVE-2020-14401 is medium with a CVSS score of 6.5.
How does CVE-2020-14401 impact LibVNCServer?
CVE-2020-14401 allows attackers to cause a pixel_value integer overflow in LibVNCServer before version 0.9.13.
What is the remedy for CVE-2020-14401 in Debian?
The remedy for CVE-2020-14401 in Debian is to update to version 0.9.13+dfsg-2+deb11u1 or later.
What is the remedy for CVE-2020-14401 in Ubuntu?
The remedy for CVE-2020-14401 in Ubuntu is to update to version 0.9.12+dfsg-9ubuntu0.2 or later.
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/remedy
- agent/author
- agent/severity
- agent/weakness
- collector/security-tracker-debian
- source/Debian
- agent/software-canonical-lookup
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/softwarecombine
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/nvd-cve
- source/NVD
- agent/last-modified-date
- agent/trending
- vendor/libvncserver project
- canonical/libvncserver project libvncserver
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0
- vendor/opensuse
- canonical/opensuse leap
- version/opensuse leap/15.1
- version/opensuse leap/15.2
- 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