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    CVE-2018-20177

    rdesktop versions up to and including v1.8.3 contain an Integer Overflow that leads to a Heap-Based Buffer Overflow in the function rdp_in_unistr() and results in memory corruption and possibly even a remote code execution.

    Published:Jan 4, 2019
    Last Modified:Nov 21, 2024
    EPS:Mar 15, 2019
    EPSS Score:0.05116
    CVSS Score:9.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Opensuse
    Product
    Backports
    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Rdesktop
    Product
    Rdesktop

    Exploits

    https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/

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    References

    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
    http://www.securityfocus.com/bid/106938
    https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
    https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
    https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
    https://security.gentoo.org/glsa/201903-06
    https://www.debian.org/security/2019/dsa-4394
    http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00040.html
    http://www.securityfocus.com/bid/106938
    https://github.com/rdesktop/rdesktop/commit/4dca546d04321a610c1835010b5dad85163b65e1
    https://lists.debian.org/debian-lts-announce/2019/02/msg00030.html
    https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/
    https://security.gentoo.org/glsa/201903-06
    https://www.debian.org/security/2019/dsa-4394

    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