Description
UltraVNC revision 1199 has a out-of-bounds read vulnerability in VNC code inside client CoRRE decoder, caused by multiplication overflow. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1200.
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-19-007-ultravnc-out-of-bound-read/ ↗
- 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 ↗