Description
UltraVNC revision 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
UltraVNC UltraVNC
1.2.2.3affected
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow/ ↗
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf ↗
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06 ↗
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf ↗
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf ↗
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 ↗