DEBIAN-CVE-2009-3727

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    DEBIAN-CVE-2009-3727

    Published: 10 Nov 2009Last Modified: 1 Sept 2026
    Upstream:
    CVE-2009-3727

    Summary:

    Details: Asterisk Open Source 1.2.x before 1.2.35, 1.4.x before 1.4.26.3, 1.6.0.x before 1.6.0.17, and 1.6.1.x before 1.6.1.9; Business Edition A.x.x, B.x.x before B.2.5.12, C.2.x.x before C.2.4.5, and C.3.x.x before C.3.2.2; AsteriskNOW 1.5; and s800i 1.3.x before 1.3.0.5 generate different error messages depending on whether a SIP username is valid, which allows remote attackers to enumerate valid usernames via multiple crafted REGISTER messages with inconsistent usernames in the URI in the To header and the Digest in the Authorization header.

    References: https://security-tracker.debian.org/tracker/CVE-2009-3727

    Affected packages

    Package

    Name: asterisk

    Purl: pkg:deb/debian/asterisk?arch=source&distro=forky

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1:1.6.2.0~rc6-1

    Affected versions

    0.1.11-3
    0.1.11-3woody1

    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