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    CVE-2017-6542

    The ssh_agent_channel_data function in PuTTY before 0.68 allows remote attackers to have unspecified impact via a large length value in an agent protocol message and leveraging the ability to connect to the Unix-domain socket representing the forwarded agent connection, which trigger a buffer overflow.

    Published:Mar 27, 2017
    Last Modified:Apr 20, 2025
    EPS:Mar 27, 2017
    EPSS Score:0.25845
    CVSS Score:9.8

    Affected Products

    Vendor
    Opensuse
    Product
    Leap
    Vendor
    Opensuse Project
    Product
    Leap
    Vendor
    Putty
    Product
    Putty

    Exploits

    https://www.exploit-db.com/exploits/42137

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    References

    http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html
    http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html
    http://www.securityfocus.com/bid/97156
    http://www.securitytracker.com/id/1038067
    https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8
    https://security.gentoo.org/glsa/201703-03
    https://security.gentoo.org/glsa/201706-09
    https://www.exploit-db.com/exploits/42137/
    http://lists.opensuse.org/opensuse-updates/2017-03/msg00055.html
    http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-agent-fwd-overflow.html
    http://www.securityfocus.com/bid/97156
    http://www.securitytracker.com/id/1038067
    https://git.tartarus.org/?p=simon/putty.git%3Ba=commitdiff%3Bh=4ff22863d895cb7ebfced4cf923a012a614adaa8
    https://security.gentoo.org/glsa/201703-03
    https://security.gentoo.org/glsa/201706-09
    https://www.exploit-db.com/exploits/42137/

    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