CVE-2011-4607

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    CVE-2011-4607

    Published: 23 Aug 2013Last Modified: 10 Apr 2026

    Summary:

    Details: PuTTY 0.59 through 0.61 does not clear sensitive process memory when managing user replies that occur during keyboard-interactive authentication, which might allow local users to read login passwords by obtaining access to the process' memory.

    References: http://www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/password-not-wiped.html, http://seclists.org/oss-sec/2011/q4/499, http://seclists.org/oss-sec/2011/q4/500

    Affected packages

    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
    CVE-2011-4607 | CVE-DB