Loop with Unreachable Exit Condition ('Infinite Loop') The advisory has been revoked - it doesn't affect any version of package libvncserver (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1910-LIBVNCSERVER-581838
- published18 Jun 2020
- disclosed17 Jun 2020
Introduced: 17 Jun 2020
CVE-2020-14398 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:19.10.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libvncserver package and not the libvncserver package as distributed by Ubuntu.
An issue was discovered in LibVNCServer before 0.9.13. An improperly closed TCP connection causes an infinite loop in libvncclient/sockets.c.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-14398
- https://security-tracker.debian.org/tracker/CVE-2020-14398
- https://github.com/LibVNC/libvncserver/commit/57433015f856cc12753378254ce4f1c78f5d9c7b
- https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
- 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://usn.ubuntu.com/4434-1/
- https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf