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    CVE-2003-0967

    rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) via a short RADIUS string attribute with a tag, which causes memcpy to be called with a -1 length argument, as demonstrated using the Tunnel-Password attribute.

    Published:Nov 20, 2003
    Last Modified:Apr 16, 2026
    EPS:Dec 2, 2003
    EPSS Score:0.05986
    CVSS Score:5

    Affected Products

    Vendor
    Freeradius
    Product
    Freeradius
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/23391

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

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    CVE-2022-41859 (CVSS 7.5) — In freeradius, the EAP-PWD function compute_password_element() leaks information about the password which allo…
    CVE-2019-17185 (CVSS 7.5) — In FreeRADIUS 3.0.x before 3.0.20, the EAP-pwd module used a global OpenSSL BN_CTX instance to handle all hand…
    CVE-2019-13456 (CVSS 6.5) — In FreeRADIUS 3.0 through 3.0.19, on average 1 in every 2048 EAP-pwd handshakes fails because the password ele…
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    CVE-2019-11235 (CVSS 9.8) — FreeRADIUS before 3.0.19 mishandles the "each participant verifies that the received scalar is within a range,…
    CVE-2017-10984 (CVSS 9.8) — An FR-GV-301 issue in FreeRADIUS 3.x before 3.0.15 allows "Write overflow in data2vp_wimax()" - this allows re…

    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