AixOperating system · Ibm

CVE-2002-0744

HIGH · 10.0 CVSS v2.0 Published 2002-08-12
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
namerslv in AIX 4.3.3 core dumps when called with a very long argument, possibly as a result of a buffer overflow.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

The namerslv daemon in AIX 4.3.3 core dumps when invoked with an excessively long argument, likely due to a buffer overflow in how the daemon handles command-line input. This could potentially allow remote or local attackers to execute arbitrary code or cause denial of service.

MitigationGiven the age of AIX 4.3.3 (circa 2002), official patches may not be available; consider upgrading to a supported AIX version, restricting access to namerslv, or implementing network-level controls to limit exposure.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
AixOperating system
Affected:= 4.3.3

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify the AIX version
    Run 'oslevel -r' or 'uname -a' to determine the installed AIX version
    Affected if The system is running AIX 4.3.3 specifically (version 433) as this is the only affected version listed
  2. Locate the namerslv binary
    Run 'which namerslv' or search for it using 'find /usr -name namerslv 2>/dev/null'
    Affected if The namerslv binary exists on the system, making it potentially exploitable
  3. Check if namerslv is accessible to invoke
    Verify read and execute permissions on the namerslv binary using 'ls -la /path/to/namerslv'
    Affected if The binary has execute permissions and can be invoked by local users or processes
  4. Verify namerslv accepts command-line arguments
    Review namerslv documentation or attempt 'namerslv -?' to see available options that accept arguments
    Affected if The daemon accepts command-line arguments that could be overflowed with excessive length
  5. Check current execution context
    Run 'ps -ef | grep namerslv' to see if the daemon is currently running
    Affected if The namerslv daemon is actively running and processing input

You are affected if your system runs AIX 4.3.3 and has the namerslv daemon present with the ability to accept long command-line arguments.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Given the age of AIX 4.3.3 (circa 2002), official patches may not be available; consider upgrading to a supported AIX version, restricting access to namerslv, or implementing network-level controls to limit exposure.

Fix this in Aix Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing3.0 h
  • Review / QA2.0 h
17.0 hours of engineering $3,050
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Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2002-0744 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data