Sec. Vulnerability in telnetd (rev.1)

From: Security Alert (
Date: 01/10/03

From: (Security Alert)
Date: 10 Jan 2003 17:38:41 GMT

Hash: SHA1

- -----------------------------------------------------------------
**REVISED 01**
 Originally issued: 16 October 2001
 Last Revised: 10 January 2003


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: Systems running telnetd may permit unauthorized remote

         This vulnerability has been assigned the identifier
         CAN-2001-0554 by the Common Vulnerabilities and Exposures
         (CVE) group:

PLATFORM: HP9000 Servers running HP-UX releases 10.X only.

DAMAGE: An intruder can potentially execute arbitrary code
         with the privileges of the telnetd process.

SOLUTION: Apply the following patches to the release specified.

        10.01 PHNE_24820 ,
        10.10 PHNE_24820 ,
        10.20 PHNE_24821 ,
    SIS 10.20 PHNE_24822 (Telnet kerberos Patch),
        10.24 PHNE_25217.

**REVISED 01**
Note: The Secure Internet Services (SIS) product, if
                enabled, has to be disabled before the installation
                or removal of PHNE_24822 (Telnet kerberos Patch).

**REVISED 01**

AVAILABILITY: The patches are available now from

CHANGE SUMMARY: Revision 01 correct MANUAL ACTIONS field
 A. Background
     A potential remotely exploitable buffer overflow in telnetd has
     been reported to Hewlett-Packard Company. It is unique to HP-UX
     releases 10.X only.

 B. Fixing the problem
     Disable telnetd (by commenting out the /etc/inetd.conf entry for
     telnetd and running '/usr/sbin/inetd -c') if telentd is not
     on your system.

     Install the appropriate patch from the list below.

 C. Recommended solution

    Apply the following patches to the release specified.

        10.01 PHNE_24820 ,
        10.10 PHNE_24820 ,
        10.20 PHNE_24821 ,
    SIS 10.20 PHNE_24822 (Telnet kerberos Patch),
        10.24 PHNE_25217.

    All patches are available now from

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Version: PGP Personal Security 7.0.3


Yours truly,
HP S/W Security Team
WTEC Cupertino, California