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    CVE-2013-4345

    Off-by-one error in the get_prng_bytes function in crypto/ansi_cprng.c in the Linux kernel through 3.11.4 makes it easier for context-dependent attackers to defeat cryptographic protection mechanisms via multiple requests for small amounts of data, leading to improper management of the state of the consumed data.

    Published:Sep 17, 2013
    Last Modified:Apr 11, 2025
    EPS:Oct 10, 2013
    EPSS Score:0.01022
    CVSS Score:5.8

    Affected Products

    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Enterprise Mrg

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-193 Off-by-one Error

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2
    http://rhn.redhat.com/errata/RHSA-2013-1449.html
    http://rhn.redhat.com/errata/RHSA-2013-1490.html
    http://rhn.redhat.com/errata/RHSA-2013-1645.html
    http://www.securityfocus.com/bid/62740
    http://www.ubuntu.com/usn/USN-2064-1
    http://www.ubuntu.com/usn/USN-2065-1
    http://www.ubuntu.com/usn/USN-2068-1
    http://www.ubuntu.com/usn/USN-2070-1
    http://www.ubuntu.com/usn/USN-2071-1
    http://www.ubuntu.com/usn/USN-2072-1
    http://www.ubuntu.com/usn/USN-2074-1
    http://www.ubuntu.com/usn/USN-2075-1
    http://www.ubuntu.com/usn/USN-2076-1
    http://www.ubuntu.com/usn/USN-2109-1
    http://www.ubuntu.com/usn/USN-2110-1
    http://www.ubuntu.com/usn/USN-2158-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1007690
    http://marc.info/?l=linux-crypto-vger&m=137942122902845&w=2
    http://rhn.redhat.com/errata/RHSA-2013-1449.html
    http://rhn.redhat.com/errata/RHSA-2013-1490.html
    http://rhn.redhat.com/errata/RHSA-2013-1645.html
    http://www.securityfocus.com/bid/62740
    http://www.ubuntu.com/usn/USN-2064-1
    http://www.ubuntu.com/usn/USN-2065-1
    http://www.ubuntu.com/usn/USN-2068-1
    http://www.ubuntu.com/usn/USN-2070-1
    http://www.ubuntu.com/usn/USN-2071-1
    http://www.ubuntu.com/usn/USN-2072-1
    http://www.ubuntu.com/usn/USN-2074-1
    http://www.ubuntu.com/usn/USN-2075-1
    http://www.ubuntu.com/usn/USN-2076-1
    http://www.ubuntu.com/usn/USN-2109-1
    http://www.ubuntu.com/usn/USN-2110-1
    http://www.ubuntu.com/usn/USN-2158-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1007690

    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