CVE-2014-8242

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    CVE-2014-8242

    Published: 26 Oct 2015Last Modified: 16 Apr 2026

    Summary:

    Details: librsync before 1.0.0 uses a truncated MD4 checksum to match blocks, which makes it easier for remote attackers to modify transmitted data via a birthday attack.

    References: http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151105.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152355.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152366.html, http://lists.opensuse.org/opensuse-updates/2015-10/msg00034.html, http://www.openwall.com/lists/oss-security/2014/07/28/1, http://www.openwall.com/lists/oss-security/2014/08/05/5, http://www.openwall.com/lists/oss-security/2014/10/13/2, https://bugzilla.redhat.com/show_bug.cgi?id=1126712, https://github.com/librsync/librsync/issues/5, https://github.com/librsync/librsync/releases/tag/v1.0.0, https://security.gentoo.org/glsa/201605-04, https://www.miknet.net/security/optimizing-birthday-attack/, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151105.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152355.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-March/152366.html, http://lists.opensuse.org/opensuse-updates/2015-10/msg00034.html, http://www.openwall.com/lists/oss-security/2014/07/28/1, http://www.openwall.com/lists/oss-security/2014/08/05/5, http://www.openwall.com/lists/oss-security/2014/10/13/2, https://github.com/librsync/librsync/issues/5, https://github.com/librsync/librsync/releases/tag/v1.0.0, https://bugzilla.redhat.com/show_bug.cgi?id=1126712

    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-2014-8242 | CVE-DB