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Home » Hacking News » Hewlett Packard HPSBMP0303-017: senmail denial of service

Hewlett Packard HPSBMP0303-017: senmail denial of service

by Nikola Strahija on April 2nd, 2003 A potential security vulnerability with sendmail/iX 8.12.1 A.01.00 has been reported in MPE/iX. This potential vulnerability may result a remote denial of service only.

Hash: SHA1

Originally issued: 25 March 2003
SSRT3527 Security Vulnerability in MPE/iX sendmail

NOTICE: There are no restrictions for distribution of this
Bulletin provided that it remains complete and intact.

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: Potential security vulnerability in sendmail

IMPACT: Potential Denial of Service (DoS).

PLATFORM: MPE 7.0 and 7.5 running Sendmail 8.12.1 A.01.00, as
well as earlier unsupported freeware versions of

SOLUTION: Download and install the appropriate sendmail patch
MPE/iX 7.5 SMLHD04A,
MPE/iX 7.0 SMLHD03A,
MPE/iX 6.5 (and earlier) See below.

See below.

AVAILABILITY: All patches are available now on
A. Background
A potential security vulnerability with sendmail/iX 8.12.1
A.01.00 has been reported in MPE/iX. This potential
vulnerability may result a remote Denial of Service (DoS)

NOTE: This is similar but not identical to the vulnerability
reported in CERT/CC CA-2003-07, as MPE/iX implements
sendmail differently.

CERT/CC is tracking this issue as VU#398025 This reference
number corresponds to CVE candidate CAN-2002-1337.

NOTE: This problem does not impact HP NonStop Servers, nor
HP OpenVMS, nor HP Tru64 UNIX/Trucluster Server.

B. Recommended solution
Download and install the following fixes on the appropriate
HP3000 systems:
MPE/iX 7.5 SMLHD04A,
MPE/iX 7.0 SMLHD03A,
MPE/iX 6.5 (and earlier)
On releases before 6.5 where sendmail is not officially
supported, the SENDMAIL NMPRG within SMLHD03A or SMLHD04A
will work for unsupported freeware versions.

Download and unpack SMLHD03A or SMLHD04A, then manually copy
the new SENDMAIL NMPRG into the appropriate group in the
SENDMAIL account.

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

Use the 'Login' tab at the left side of the screen to login
using your ID and password. Use your existing login or the
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In the left most frame select "Maintenance and Support".

Under the "Notifications" section (near the bottom of
the page), select "Support Information Digests".

To -subscribe- to future HP Security Bulletins or other
Technical Digests, click the check box (in the left column)
for the appropriate digest and then click the "Update
Subscriptions" button at the bottom of the page.


To -review- bulletins already released, select the link
(in the middle column) for the appropriate digest.

NOTE: Using your itrc account security bulletins can be
found here:

To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins Archive". (near the
bottom of the page) Once in the archive the third link is
to the current Security Patch Matrix. Updated daily, this
matrix categorizes security patches by platform/OS release,
and by bulletin topic. Security Patch Check completely
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11.XX systems. Please note that installing the patches
listed in the Security Patch Matrix will completely
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field specifies "No."

The Security Patch Check tool can verify that a security
bulletin has been implemented on HP-UX 11.XX systems providing
that the fix is completely implemented in a patch with no
manual actions required. The Security Patch Check tool cannot
verify fixes implemented via a product upgrade.

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".

The PGP key used to sign this bulletin is available from
several PGP Public Key servers. The key identification
information is:

HP Security Response Team (Security Bulletin signing only)

Fingerprint =
6002 6019 BFC1 BC62 F079 862E E01F 3AFC 2D2A 7D59

If you have problems locating the key please write to
[email protected] Please note that this key is
for signing bulletins only and is not the key returned
by sending 'get key' to [email protected]

D. To report new security vulnerabilities, send email to

[email protected]

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 [email protected]


(c)Copyright 2003 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company. Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.


Version: PGP 8.0


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