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    CVE-2001-1068

    qpopper 4.01 with PAM based authentication on Red Hat systems generates different error messages when an invalid username is provided instead of a valid name, which allows remote attackers to determine valid usernames on the system.

    Published:Aug 31, 2001
    Last Modified:Apr 16, 2026
    EPS:Feb 2, 2002
    EPSS Score:0.01225
    CVSS Score:5

    Affected Products

    Vendor
    Qualcomm
    Product
    Qpopper

    Exploits

    http://archives.neohapsis.com/archives/bugtraq/2001-08/0363.htmlhttp://archives.neohapsis.com/archives/bugtraq/2001-08/0363.html

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2005-3098 (CVSS 4.6) — poppassd in Qualcomm qpopper 4.0.8 allows local users to modify arbitrary files and gain privileges via the -t…
    CVE-2003-1452 (CVSS 3.6) — Untrusted search path vulnerability in Qualcomm qpopper 4.0 through 4.05 allows local users to execute arbitra…
    CVE-2003-0143 (CVSS 10) — The pop_msg function in qpopper 4.0.x before 4.0.5fc2 does not null terminate a message buffer after a call to…
    CVE-2002-0889 (CVSS 4.6) — Buffer overflow in Qpopper (popper) 4.0.4 and earlier allows local users to cause a denial of service and poss…
    CVE-2002-0454 (CVSS 5) — Qpopper (aka in.qpopper or popper) 4.0.3 and earlier allows remote attackers to cause a denial of service (CPU…
    CVE-2001-1487 (CVSS 4.6) — popauth utility in Qualcomm Qpopper 4.0 and earlier allows local users to overwrite arbitrary files and execut…
    CVE-2000-1198 (CVSS 5.5) — qpopper POP server creates lock files with predictable names, which allows local users to cause a denial of se…
    CVE-2001-1046 (CVSS 10) — Buffer overflow in qpopper (aka qpop or popper) 4.0 through 4.0.2 allows remote attackers to gain privileges v…
    CVE-2000-0442 (CVSS 7.5) — Qpopper 2.53 and earlier allows local users to gain privileges via a formatting string in the From: header, wh…
    CVE-2000-0320 (CVSS 5) — Qpopper 2.53 and 3.0 does not properly identify the \n string which identifies the end of message text, which …

    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