Description
UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Kaspersky Lab UltraVNC
1.2.2.3affected
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-022-ultravnc-improper-null-termination/ ↗
- 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 ↗