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    CVE-2019-8275

    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.

    Published:Mar 8, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 9, 2019
    EPSS Score:0.04575
    CVSS Score:9.8

    Affected Products

    Vendor
    Siemens
    Product
    Sinumerik Access Mymachine\/p2p
    Vendor
    Siemens
    Product
    Sinumerik Pcu Base Win10 Software\/ipc
    Vendor
    Siemens
    Product
    Sinumerik Pcu Base Win7 Software\/ipc
    Vendor
    Uvnc
    Product
    Ultravnc

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-170 Improper Null Termination

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
    https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
    https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
    https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-022-ultravnc-improper-null-termination/
    https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
    https://www.us-cert.gov/ics/advisories/icsa-20-161-06
    https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
    https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
    https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
    https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-022-ultravnc-improper-null-termination/
    https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
    https://www.us-cert.gov/ics/advisories/icsa-20-161-06

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High