CVE-2019-8258

EPSS 4.4%CWE-122

UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

Affected products

UltraVNC · UltraVNC

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References

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/https://www.us-cert.gov/ics/advisories/icsa-20-161-06