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Category:   Application (Web Server/CGI)  >   Apache HTTPD Vendors:   Apache Software Foundation
(HP Issues Fix) OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1019023
SecurityTracker URL:  http://securitytracker.com/id/1019023
CVE Reference:   CVE-2007-5135   (Links to External Site)
Date:  Nov 30 2007
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in OpenSSL. A remote user can execute arbitrary code on the target system. Apache on HP-UX is affected.

A remote user can send specially crafted data to applications that use the SL_get_shared_ciphers() function trigger an off-by-one overflow and execute arbitrary code on the target system. The code will run with the privileges of the target service.

The vulnerability resides in 'ssl/ssl_lib.c'.

The vendor was notified on June 6, 2007.

Moritz Jodeit reported this vulnerability.

Impact:   A remote user can execute arbitrary code on the target system.
Solution:   HP has issued a fix for Apache on HP-UX, which is affected by this vulnerability.

The following patches are available at:

ftp://srt1499:srt1499@hprc.external.hp.com/
ftp://srt1499:srt1499@192.170.19.100/

OS Release
Depot name
MD5 Sum

B.11.11 (IPv4)
HPUXWSA-B218-02-1111ipv4.depot
2306e1580461411fb743d0d74e4a44bc

B.11.11 (IPv6)
HPUXWSA-B218-02-1111ipv6.depot
4740ab73eda685603748f4cbe24f3440

B.11.23 PA-32
HPUXWSA-B218-02-1123-32.depot
78561137e265c9f23aba4e4d832e4de6

B.11.23 IA-64
HPUXWSA-B218-02-1123-64.depot
809d8c3b99942359bdcb526235e1cf6b

B.11.31 PA-32
HPUXWSA-B218-02-1131-32.depot
39a5d364a387a89ea6f632cfc1b0eafa

B.11.31 IA-64
HPUXWSA-B218-02-1131-64.depot
faa16d98407b49b5490428b0e2c1e09a

Cause:   Boundary error
Underlying OS:  UNIX (HP/UX)
Underlying OS Comments:  11.11, 11.23, and 11.31

Message History:   This archive entry is a follow-up to the message listed below.
Oct 1 2007 OpenSSL Off-by-one Overflow in SL_get_shared_ciphers() Lets Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [security bulletin] HPSBUX02292 SSRT071499 rev.1 - HP-UX Running Apache, Remote Execution of Arbitrary Code


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01290398
Version: 1

HPSBUX02292 SSRT071499 rev.1 - HP-UX Running Apache, Remote Execution of Arbitrary Code

NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2007-11-28
Last Updated: 2007-11-28

Potential Security Impact: Remote execution of arbitrary code

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX Apache. The vulnerability could be exploited remotely to execute
 arbitrary code.

References: CVE-2007-5135

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.11.31 running Apache v2.0.59.00.0 or earlier.

BACKGROUND

To determine if a system has an affected version, search the output of "swlist -a revision -l fileset" for an affected fileset. Then
 determine if the recommended action has been taken. 

AFFECTED VERSIONS 

For IPv4: 
HP-UX B.11.11 
============= 
hpuxwsAPACHE 
action: install revision A.2.0.59.00.1 or subsequent 
restart Apache 
URL: ftp://srt1499:srt1499@hprc.external.hp.com 

For IPv6: 
HP-UX B.11.11 
HP-UX B.11.23 
HP-UX B.11.31 
============= 
hpuxwsAPACHE,revision=B.1.0.00.01 
hpuxwsAPACHE,revision=B.1.0.07.01 
hpuxwsAPACHE,revision=B.1.0.08.01 
hpuxwsAPACHE,revision=B.1.0.09.01 
hpuxwsAPACHE,revision=B.1.0.10.01 
hpuxwsAPACHE,revision=B.2.0.48.00 
hpuxwsAPACHE,revision=B.2.0.49.00 
hpuxwsAPACHE,revision=B.2.0.50.00 
hpuxwsAPACHE,revision=B.2.0.51.00 
hpuxwsAPACHE,revision=B.2.0.52.00 
hpuxwsAPACHE,revision=B.2.0.53.00 
hpuxwsAPACHE,revision=B.2.0.54.00 
hpuxwsAPACHE,revision=B.2.0.55.00 
hpuxwsAPACHE,revision=B.2.0.56.00 
hpuxwsAPACHE,revision=B.2.0.58.00 
hpuxwsAPACHE,revision=B.2.0.58.01 
hpuxwsAPACHE,revision=B.2.0.59.00 
hpuxwsAPACHE,revision=B.2.0.59.00.0 
action: install revision B.2.0.59.00.1 or subsequent 
restart Apache 
URL: ftp://srt1499:srt1499@hprc.external.hp.com 

END AFFECTED VERSIONS 

RESOLUTION
HP has provided the following software updates to resolve this vulnerability. 

The updates are available for download from: 
ftp://srt1499:srt1499@hprc.external.hp.com/ 
ftp://srt1499:srt1499@192.170.19.100/ 

OS Release 
 Depot name 
 MD5 Sum 
 
B.11.11 (IPv4)
 HPUXWSA-B218-02-1111ipv4.depot
 2306e1580461411fb743d0d74e4a44bc
 
B.11.11 (IPv6) 
 HPUXWSA-B218-02-1111ipv6.depot
 4740ab73eda685603748f4cbe24f3440
 
B.11.23 PA-32
 HPUXWSA-B218-02-1123-32.depot
 78561137e265c9f23aba4e4d832e4de6
 
B.11.23 IA-64
 HPUXWSA-B218-02-1123-64.depot
 809d8c3b99942359bdcb526235e1cf6b
 
B.11.31 PA-32
 HPUXWSA-B218-02-1131-32.depot
 39a5d364a387a89ea6f632cfc1b0eafa
 
B.11.31 IA-64
 HPUXWSA-B218-02-1131-64.depot
 faa16d98407b49b5490428b0e2c1e09a
 

MANUAL ACTIONS: Yes - Update 
Install Apache v2.0.59.00.1 or subsequent 

PRODUCT SPECIFIC INFORMATION 

HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes
 all HP-issued Security Bulletins and lists recommended actions that may apply to a specific HP-UX system. It can also download patches
 and create a depot automatically. 
For more information see: https://www.hp.com/go/swa 

HISTORY 
Version: 1 (rev.1) - 28 November 2007 Initial release 

Third Party Security Patches: Third party security patches which are to be installed on systems running HP software products should
 be applied in accordance with the customer's patch management policy. 



Support: For further information, contact normal HP Services support channel.

Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com 
It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.
 
To get the security-alert PGP key, please send an e-mail message as follows:
  To: security-alert@hp.com 
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email: 
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC 
On the web page: ITRC security bulletins and patch sign-up 
Under Step1: your ITRC security bulletins and patches 
  - check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems 
  - verify your operating system selections are checked and save.


To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php 
Log in on the web page: Subscriber's choice for Business: sign-in. 
On the web page: Subscriber's Choice: your profile summary - use Edit Profile to update appropriate sections.


To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do 


* The Software Product Category that this Security Bulletin relates to is represented by the 5th and 6th characters of the Bulletin
 number in the title: 

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault
 

System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and
 enhancing the security features of software products to provide customers with current secure solutions.


"HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important
 security information contained in this Bulletin. HP recommends that all users determine the applicability of this information to
 their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete
 for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the
 information provided in this Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including
 the warranties of merchantability and fitness for a particular purpose, title and non-infringement."


Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information provided
 is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or
 suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating
 to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this
 document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein
 are trademarks of Hewlett-Packard Company in the United States and other countries. Other product and company names mentioned herein
 may be trademarks of their respective owners.

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