Buffer Overflow The advisory has been revoked - it doesn't affect any version of package tightvnc (opens in a new tab)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-UBUNTU1604-TIGHTVNC-543367
- published3 Nov 2019
- disclosed29 Oct 2019
Introduced: 29 Oct 2019
CVE-2019-8287 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tightvnc package and not the tightvnc package as distributed by Ubuntu.
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-8287
- https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://security-tracker.debian.org/tracker/CVE-2019-8287
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
- https://www.openwall.com/lists/oss-security/2018/12/10/5