UBUNTU-CVE-2016-0777

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    UBUNTU-CVE-2016-0777

    Published: 14 Jan 2016Last Modified: 1 Jun 2026
    Upstream:
    CVE-2016-0777
    Aliases:
    USN-2869-1

    Summary:

    Details: The resend_bytes function in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2 allows remote servers to obtain sensitive information from process memory by requesting transmission of an entire buffer, as demonstrated by reading a private key.

    References: https://ubuntu.com/security/CVE-2016-0777, http://www.undeadly.org/cgi?action=article&sid=20160114142733, http://article.gmane.org/gmane.comp.security.oss.general/18580, https://ubuntu.com/security/notices/USN-2869-1, https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/OpenSSHClientRoaming, https://www.cve.org/CVERecord?id=CVE-2016-0777

    Affected packages

    Package

    Name: openssh

    Purl: pkg:deb/ubuntu/openssh?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:6.6p1-2ubuntu2.4

    Affected versions

    1:6.2p2-6

    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
    UBUNTU-CVE-2016-0777 | CVE-DB