HP Security Bulletin HPSBUX03240 SSRT101872 - Potential security vulnerabilities have been identified with HP-UX running NTP. These could be exploited remotely to execute code, create a Denial of Service (DoS), or other vulnerabilities. Revision 1 of this advisory.
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c04554677
Version: 1
HPSBUX03240 SSRT101872 rev.1 - HP-UX Running NTP, Remote Execution of Code,
Denial of Service (DoS), or Other Vulnerabilties
NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.
Release Date: 2015-02-18
Last Updated: 2015-02-18
Potential Security Impact: Remote execution of code, Denial of Service (DoS),
or other vulnerabilities
Source: Hewlett-Packard Company, HP Software Security Response Team
VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified with HP-UX running
NTP. These could be exploited remotely to execute code, create a Denial of
Service (DoS), or other vulnerabilities.
References:
CVE-2014-9293 - Insufficient Entropy in Pseudo-Random Number Generator (PRNG)
(CWE-332)
CVE-2014-9294 - Use of Cryptographically Weak PRNG (CWE-338)
CVE-2014-9295 - Stack Buffer Overflow (CWE-121)
CVE-2014-9296 - Error Conditions, Return Values, Status Codes (CWE-389)
CVE-2014-9297 - Improper Check for Unusual or Exceptional Conditions
(CWE-754)
SSRT101872
VU#852879
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.31 running NTP version C.4.2.6.4.0 or previous
HP-UX B.11.23 running XNTP version 3.5 or previous
BACKGROUND
CVSS 2.0 Base Metrics
===========================================================
Reference Base Vector Base Score
CVE-2014-9293 (AV:N/AC:L/Au:N/C:P/I:P/A:P) 7.5
CVE-2014-9294 (AV:N/AC:L/Au:N/C:P/I:P/A:P) 7.5
CVE-2014-9295 (AV:N/AC:L/Au:N/C:P/I:P/A:P) 7.5
CVE-2014-9296 (AV:N/AC:L/Au:N/C:N/I:N/A:P) 5.0
CVE-2014-9297 (AV:N/AC:H/Au:N/C:P/I:N/A:N) 2.6
===========================================================
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
RESOLUTION
HP has provided the following patch for HP-UX B.11.31. A workaround for HP-UX
B.11.23 and B.11.11 to temporarily resolve these vulnerabilities follows
below.
The B.11.31 patch is available from:
ftp://ntp42650:Secure12@h2.usa.hp.com or https://h20392.www2.hp.com/portal/sw
depot/displayProductInfo.do?productNumber=HPUX-NTP
Mitigation steps for HP-UX B.11.23 and B.11.11 for CVE-2014-9295
Restrict query for server status (Time Service is not affected) from
ntpq/ntpdc by enabling .noquery. using the restrict command in /etc/ntp.conf
file.
Reference: http://support.ntp.org/bin/view/Main/SecurityNotice
NOTE: This bulletin will be revised when patches for XNTP v3.5 on B.11.23 and
B.11.11 become available.
MANUAL ACTIONS: No
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 Security Bulletins
issued by HP 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
The following text is for use by the HP-UX Software Assistant.
AFFECTED VERSIONS
HP-UX B.11.31
==================
NTP.INETSVCS2-BOOT
NTP.NTP-AUX
NTP.NTP-RUN
action: install revision C.4.2.6.5.0 or subsequent
END AFFECTED VERSIONS
HISTORY
Version:1 (rev.1) - 18 February 2015 Initial release
Third Party Security Patches: Third party security patches that are to be
installed on systems running HP software products should be applied in
accordance with the customer's patch management policy.
Support: For issues about implementing the recommendations of this Security
Bulletin, contact normal HP Services support channel. For other issues about
the content of this Security Bulletin, send e-mail to security-alert@hp.com.
Report: To report a potential security vulnerability with any HP supported
product, send Email to: security-alert@hp.com
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Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/
Software Product Category: The Software Product Category is represented in
the title by the two characters following HPSB.
3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX
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