CVE-2013-1762

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    CVE-2013-1762

    Published: 8 Mar 2013Last Modified: 10 Apr 2026

    Summary:

    Details: stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are enabled, does not correctly perform integer conversion, which allows remote proxy servers to execute arbitrary code via a crafted request that triggers a buffer overflow.

    References: http://rhn.redhat.com/errata/RHSA-2013-0714.html, http://www.debian.org/security/2013/dsa-2664, http://www.mandriva.com/security/advisories?name=MDVSA-2013:130, https://www.stunnel.org/CVE-2013-1762.html, https://wiki.mageia.org/en/Support/Advisories/MGASA-2013-0097

    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