CVE-2018-15361

Description

UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.33% Top 25%
Third-Party Advisory kaspersky.com
Affected: UltraVNC UltraVNC
Published at:
Updated at:

References

Link Tags
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/ third party advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://www.us-cert.gov/ics/advisories/icsa-20-161-06

Frequently Asked Questions

What is the severity of CVE-2018-15361?
CVE-2018-15361 has been scored as a critical severity vulnerability.
How to fix CVE-2018-15361?
To fix CVE-2018-15361, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-15361 being actively exploited in the wild?
It is possible that CVE-2018-15361 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15361?
CVE-2018-15361 affects UltraVNC UltraVNC.
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