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    CVE-2014-8242

    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.

    Published:Oct 26, 2015
    Last Modified:Apr 12, 2025
    EPS:Oct 26, 2015
    EPSS Score:0.02282
    CVSS Score:5.8

    Affected Products

    Vendor
    Librsync Project
    Product
    Librsync

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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://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/

    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