CVE-2003-1557

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    CVE-2003-1557

    Published: 31 Dec 2003Last Modified: 10 Apr 2026

    Summary:

    Details: Off-by-one buffer overflow in spamc of SpamAssassin 2.40 through 2.43, when using BSMTP mode ("-B"), allows remote attackers to execute arbitrary code via email containing headers with leading "." characters.

    References: http://secunia.com/advisories/7983, http://www.securityfocus.com/bid/6679, http://marc.info/?l=bugtraq&m=104342896818777&w=2, http://www.securityfocus.com/archive/1/309912/30/26090/threaded, http://www.securityfocus.com/archive/1/310212/30/26030/threaded, https://exchange.xforce.ibmcloud.com/vulnerabilities/11154

    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