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Hewlett-Packard Remote Logic Flaw Vulnerability in rlpdaemon
M-021: Hewlett-Packard Remote Logic Flaw Vulnerability in rlpdaemon Privacy and Legal Notice


M-021: Hewlett-Packard Remote Logic Flaw Vulnerability in rlpdaemon

[Hewlett-Packard Company Security Bulletin: #0176]

November 21, 2001 18:00 GMT

PROBLEM: A remote logic flaw vulnerability exists in rlpdaemon.
PLATFORM: HP9000 Servers running HP-UX releases 10.01, 10.10, 10.20, 11.00, and 11.11.
DAMAGE: This vulnerability may allow an attacker to remotely execute code with superuser privileges.
SOLUTION: Apply patches as outlined below.

The risk is HIGH. The rlpdaemon is enabled by default and executed with superuser privilege. This vulnerability can be exploited remotely and without specific knowledge of the target's system configuration.

  CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/m-021.shtml

[***** Start Hewlett-Packard Company Security Bulletin: #0176 *****]

    Originally issued: 20 November '01

The information in the following Security Bulletin should be
acted upon as soon as possible.  Hewlett-Packard Company will
not be liable for any consequences to any customer resulting
from customer's failure to fully implement instructions in this
Security Bulletin as soon as possible.

PROBLEM:  An rlpdaemon logic flaw vulnerability has been
          reported to us that may allow a remote or local
          attacker to execute arbitrary code with superuser

PLATFORM: HP9000 Servers running HP-UX releases 10.01, 10.10,
          10.20, 11.00, and 11.11.

DAMAGE:   Unauthorized access, increased privileges.

SOLUTION: Apply the appropriate patch:
                   10.01         PHCO_25107,
                   10.10         PHCO_25108,
                   10.20         PHCO_25109,
                   11.00         PHCO_25110,
                   11.11         PHCO_25111.


AVAILABILITY: All patches are available now.
              The Common Vulnerabilities and Exposures (CVE)
              project has assigned the name CAN-2001-0817 to
              this issue.
 A. Background
    A remotely exploitable buffer overflow in rlpdaemon has been
    reported to HP.

 B. Recommended solution
    The problem can be resolved by application of one of these
    patches to the appropriate HP-UX release:
                   10.01         PHCO_25107,
                   10.01         PHCO_25107,
                   10.10         PHCO_25108,
                   10.20         PHCO_25109,
                   11.00         PHCO_25110,
                   11.11         PHCO_25111.

    NOTE: HP-UX 10.24 and 11.04 (VVOS) are not vulnerable.

 C. To subscribe to automatically receive future NEW HP Security
    Bulletins from the HP IT Resource Center via electronic
    mail, do the following:

    Use your browser to get to the HP IT Resource Center page


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    To -subscribe- to future HP Security Bulletins or other
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    For information on the Security Patch Check tool, see:

    The security patch matrix is also available via anonymous


    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".

 D. To report new security vulnerabilities, send email to


    Please encrypt any exploit information using the
    security-alert PGP key, available from your local key
    server, or by sending a message with a -subject- (not body)
    of 'get key' (no quotes) to security-alert@hp.com.

    Permission is granted for copying and circulating this
    Bulletin to Hewlett-Packard (HP) customers (or the Internet
    community) for the purpose of alerting them to problems,
    if and only if, the Bulletin is not edited or changed in
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    Any other use of this information is prohibited. HP is not
    liable for any misuse of this information by any third party.
-----End of Document ID:  HPSBUX0111-176--------------------------------------

[***** End Hewlett-Packard Company Security Bulletin: #0176 *****]

CIAC wishes to acknowledge the contributions of Hewlett-Packard Company and Internet Security System, Inc. X-Force for the information contained in this bulletin.
CIAC services are available to DOE, DOE Contractors, and the NIH. CIAC can be contacted at:

    Voice:          +1 925-422-8193 (7 x 24)

    FAX:            +1 925-423-8002

    STU-III:        +1 925-423-2604

    E-mail:          ciac@llnl.gov

    World Wide Web:  http://www.ciac.org/


                     (same machine -- either one will work)

    Anonymous FTP:   ftp.ciac.org


                     (same machine -- either one will work)

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