CVE-2018-20022
First published: Wed Dec 19 2018(Updated: )
Last updated 24 July 2024
Credit: vulnerability@kaspersky.com vulnerability@kaspersky.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libvnc Project Libvncserver | <0.9.12 | |
| Debian Debian Linux | =8.0 | |
| Debian Debian Linux | =9.0 | |
| Canonical Ubuntu Linux | =14.04 | |
| Canonical Ubuntu Linux | =16.04 | |
| Canonical Ubuntu Linux | =18.04 | |
| Canonical Ubuntu Linux | =18.10 | |
| debian/libvncserver | 0.9.13+dfsg-2+deb11u1 0.9.14+dfsg-1 | |
| debian/ssvnc | 1.0.29-5 1.0.29-6 1.0.29-6.1 | |
| debian/tightvnc | 1:1.3.10-3 1:1.3.10-7 1:1.3.10-9 | |
| debian/veyon | 4.5.3+repack1-1 4.7.5+repack1-1 4.7.5+repack1-1.2 |
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Reference Links
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://security.gentoo.org/glsa/201908-05
- https://security.gentoo.org/glsa/202006-06
- https://usn.ubuntu.com/3877-1/
- https://usn.ubuntu.com/4547-1/
- https://usn.ubuntu.com/4547-2/
- https://usn.ubuntu.com/4587-1/
- https://www.debian.org/security/2019/dsa-4383
- https://launchpad.net/bugs/cve/CVE-2018-20022
- https://github.com/LibVNC/libvncserver/issues/252
- https://github.com/LibVNC/libvncserver/commit/2f5b2ad1c6c99b1ac6482c95844a84d66bb52838
- https://security-tracker.debian.org/tracker/CVE-2018-20022
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20022
- https://nvd.nist.gov/vuln/detail/CVE-2018-20022
- https://ubuntu.com/security/CVE-2018-20022
Frequently Asked Questions
What is CVE-2018-20022?
CVE-2018-20022 is a vulnerability in LibVNC that allows an attacker to read stack memory and potentially leak sensitive information.
How severe is CVE-2018-20022?
CVE-2018-20022 has a severity rating of 7.5 (high).
Which software versions are affected by CVE-2018-20022?
CVE-2018-20022 affects LibVNC before version 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838.
How can I fix the CVE-2018-20022 vulnerability?
To fix the CVE-2018-20022 vulnerability, update to LibVNC version 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 or apply the necessary patches.
Where can I find more information about CVE-2018-20022?
You can find more information about CVE-2018-20022 at the following references: [GitHub Issue](https://github.com/LibVNC/libvncserver/issues/252), [GitHub Commit](https://github.com/LibVNC/libvncserver/commit/2f5b2ad1c6c99b1ac6482c95844a84d66bb52838), [Kaspersky Advisory](https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/).
- collector/nvd-index
- agent/type
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/severity
- agent/remedy
- agent/weakness
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/trending
- vendor/libvnc project
- canonical/libvnc project libvncserver
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/8.0
- version/debian debian linux/9.0
- 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
- package-manager/debian