CVE-2020-14405
First published: Wed Jun 17 2020(Updated: )
An issue was discovered in LibVNCServer before 0.9.13. libvncclient/rfbproto.c does not limit TextChat size.
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 | ||
| redhat/libvncserver | <0.9.13 | 0.9.13 |
| 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
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
- https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365
- 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-2020-14405
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1860326
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1860327
- https://access.redhat.com/security/cve/cve-2020-14405
- https://access.redhat.com/errata/RHSA-2021:1811
- https://bugzilla.redhat.com/show_bug.cgi?id=1860325
- https://security-tracker.debian.org/tracker/CVE-2020-14405
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14405
- https://nvd.nist.gov/vuln/detail/CVE-2020-14405
- https://ubuntu.com/security/CVE-2020-14405
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-14405.
What is the severity of CVE-2020-14405?
The severity of CVE-2020-14405 is medium with a severity value of 6.5.
Which software versions are affected by CVE-2020-14405?
The affected software versions for CVE-2020-14405 are libvncserver 0.9.11+dfsg-1.3+deb10u4, 0.9.11+dfsg-1.3+deb10u5, 0.9.13+dfsg-2+deb11u1, and 0.9.14+dfsg-1.
How can I fix CVE-2020-14405?
To fix CVE-2020-14405, update libvncserver to version 0.9.13 or later.
Where can I find more information about CVE-2020-14405?
More information about CVE-2020-14405 can be found on the following references: [link1](https://github.com/LibVNC/libvncserver/commit/8937203441ee241c4ace85da687b7d6633a12365), [link2](https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13), [link3](https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html).
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- alias/CVE-2020-14405
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- vendor/libvnc project
- canonical/libvnc project libvncserver
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- 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
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- 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/redhat
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