描述
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207.
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受影响产品
uvncultravnc
siemenssinumerik_access_mymachine\/p2p
siemenssinumerik_pcu_base_win10_software\/ipc
siemenssinumerik_pcu_base_win7_software\/ipc
参考资料
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfThird Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-015-ultravnc-off-by-one-error/Third Party Advisory
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06Third Party AdvisoryUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdfThird Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-015-ultravnc-off-by-one-error/Third Party Advisory
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06Third Party AdvisoryUS Government Resource