HP-UX lpspooler and ftpd Vulnerabilities
Privacy and Legal Notice
CIAC INFORMATION BULLETIN
L-006: HP-UX lpspooler and ftpd Vulnerabilities
October 17, 2000 15:00 GMT
PROBLEM: Two vulnerabilities have been identified by Hewlett-Packard:
1) lpspooler and 2) ftpd.
PLATFORM: HP9000 Servers running HP-UX releases 10.xx and 11.xx
DAMAGE: 1) Exploiting the lpspooler vulnerability may allow users to
increase privileges. 2) Exploiting the ftpd vulnerability may
allow remote users to gain root access.
SOLUTION: Apply appropriate patches as indicated below.
VULNERABILITY Risk is HIGH. Both of these vulnerabilities affect system
ASSESSMENT: security and are publicly known. Patches should be applied as
soon as possible.
[****** Start of HP Security Bulletins ******]
Digest Name: Daily Security Bulletins Digest
Created: Mon Oct 16 3:00:02 PDT 2000
Table of Contents:
Document ID Title
--------------- -----------
HPSBUX0010-125 Sec. Vulnerability in lpspooler
HPSBUX0007-117 Sec. Vulnerability in ftpd **Rev.03**
The documents are listed below.
-------------------------------------------------------------------------
Document ID: HPSBUX0010-125
Date Loaded: 20001015
Title: Sec. Vulnerability in lpspooler
-------------------------------------------------------------------------
HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0125, 16 Oct. '00
-------------------------------------------------------------------------
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: The lpspool subsystem has various security oriented defects.
PLATFORM: HP9000 Servers running HP-UX releases 10.XX and 11.XX,
DAMAGE: Users could increase privileges.
SOLUTION: Apply appropriate patches for each release:
For HP-UX 11.00: PHCO_22365,
HP-UX 10.20: PHCO_22364,
HP-UX 10.10: PHCO_22411,
HP-UX 10.01: PHCO_22410.
AVAILABILITY: The patches are available now.
-------------------------------------------------------------------------
I.
A. Background
Hewlett-Packard Company has been notified of various vulnerabilities
in its lpspooler subsystem in the fileset PrinterMgmt.LP-SPOOL.
Several subsystem commands have memory buffer overflows and may
not behave correctly.
B. Fixing the problem:
Apply one of the patches listed below. Please make note
of necessary patch dependencies.
For HP-UX release 11.00: PHCO_22365,
HP-UX release 10.20: PHCO_22364,
HP-UX release 10.10: PHCO_22411,
HP-UX release 10.01: PHCO_22410.
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
at:
http://itrc.hp.com
Under the Maintenance and Support Menu (Electronic Support Center):
click on the "more..." link. Then -
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Check with your system
administrator to see if you have an existing login or use
the "Register" button at the left to create a login. You will
need to login in order to gain access to many areas of the ITRC.
Remember to save the User ID assigned to you, and your password.
Under the Maintenance and Support Menu, click on the "more..."
link. 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.
or
To -review- bulletins already released, select the link
(in the middle column) for the appropriate digest.
To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins Archive". Once in
the archive the third link is to our current Security
Patch Matrix. Updated daily, this matrix categorizes security
patches by platform/OS release, and by bulletin topic.
The security patch matrix is also available via anonymous ftp:
ftp://ftp.itrc.hp.com
~ftp/export/patches/hp-ux_patch_matrix"
On the "Support Information Digest Main" page:
click on the "HP Security Bulletin Archive".
D. To report new security vulnerabilities, send email to
security-alert@hp.com
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 any way, is attributed to HP, and
provided such reproduction and/or distribution is performed for
non-commercial purposes.
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: HPSBUX0010-125--------------------------------
Document ID: HPSBUX0007-117
Date Loaded: 20001015
Title: Sec. Vulnerability in ftpd **Rev.03**
------------------------------------------------------------------------
**REVISED03** HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0117, 11 July '00
Last Revised: 16 Oct. '00
------------------------------------------------------------------------
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: The ftp server (ftpd) on HP-UX allows users root access.
PLATFORM: HP9000 Servers running HP-UX releases 10.XX and 11.0X$.
HP-UX 11.0X - Both Problem #1 and #2 below;
HP-UX 10.2X, 10.10 and 10.01 - Problem #2 only
DAMAGE: Possible unauthorized root access.
**REVISED03**
SOLUTION: Apply appropriate patches listed below.
For HP-UX release 11.00 PHNE_21936,
HP-UX release 11.04 PHNE_22060,
HP-UX release 10.20 PHNE_22057,
HP-UX release 10.24 PHNE_22059,
HP-UX releases 10.01 and 10.10 PHNE_22058.
AVAILABILITY: All patches are available now.
CHANGE SUMMARY: Rev.03 Provided full patch identification, change
from Advisory to Bulletin, and new ftp site.
Rev.02 Added MD5 checksums, 10.00 and 10.10 binaries
Rev.01 Corrected typo in filename to be installed.
------------------------------------------------------------------------
I.
A. Background
There are 2 problems with FTP Server (ftpd) on HP-UX.
1. ftpd handling of the SITE EXEC command that allows remote
users to gain root access. This is possible in the default
configuration of ftpd on HP-UX 11.0X ONLY.
2. ftpd does not properly format the parameters to the
setproctitle() function, allowing users to gain root access.
This problem applies to both 11.0X and 10.XX.
**Revised 03**
Reference: CERT Advisory CA-2000-13 Two Input Validation
Problems in FTPD
B. Fixing the problem
The problem can be fixed by applying a patch.
**Revised 03**
C. Recommended solution
Full swinstallable patches are now available from the HP IT
Resource Center site.
For HP-UX release 11.00 PHNE_21936,
HP-UX release 11.04 PHNE_22060,
HP-UX release 10.20 PHNE_22057,
HP-UX release 10.24 PHNE_22059,
HP-UX release 10.01 and 10.10 PHNE_22058.
Note: There are dependencies for PHNE_22059, HP-UX 10.24.
D. 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
at:
http://itrc.hp.com
Under the Maintenance and Support Menu (Electronic Support Center):
click on the "more..." link. Then -
Use the 'Login' tab at the left side of the screen to login
using your ID and password. Check with your system
administrator to see if you have an existing login or use
the "Register" button at the left to create a login. You will
need to login in order to gain access to many areas of the ITRC.
Remember to save the User ID assigned to you, and your password.
Under the Maintenance and Support Menu, click on the "more..."
link. 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.
or
To -review- bulletins already released, select the link
(in the middle column) for the appropriate digest.
To -gain access- to the Security Patch Matrix, select
the link for "The Security Bulletins Archive". Once in
the archive the third link is to our current Security
Patch Matrix. Updated daily, this matrix categorizes security
patches by platform/OS release, and by bulletin topic.
The security patch matrix is also available via anonymous ftp:
**Revised 03**
ftp://ftp.itrc.hp.com
~ftp/export/patches/hp-ux_patch_matrix"
On the "Support Information Digest Main" page:
click on the "HP Security Bulletin Archive".
E. To report new security vulnerabilities, send email to
security-alert@hp.com
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 any way, is attributed to HP, and
provided such reproduction and/or distribution is performed for
non-commercial purposes.
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: HPSBUX0007-117--------------------------------
[****** End of HP Security Bulletins ******]
CIAC wishes to acknowledge the contributions of Hewlett-Packard Company for the
information contained in this bulletin.
CIAC services are available to DOE, DOE Contractors, and the NIH. CIAC
can be contacted at:
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FAX: +1 925-423-8002
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E-mail: ciac@llnl.gov
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(same machine -- either one will work)
Anonymous FTP: ftp.ciac.org
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UCRL-MI-119788
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