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SUPPORT COMMUNICATION- SECURITY BULLETIN

Document ID: c05158555

Version: 2

HPSBHF3548 rev.2 - Linux Kernel Flaw, ASN.1 DER decoder for x509 certificate DER files

Notice:: The information in this security bulletin should be acted upon as soon as possible.

Release date : 01-Jun-2016

Last updated : 08-Feb-2018

Potential Security Impact:
System downtime, or privilege escalation.
Source:HP, HP Product Security Response Team (PSRT)
Reported by: HP

VULNERABILITY SUMMARY
A flaw was found in the way the Linux kernel's ASN.1 DER decoder processed certain certificate files with tags of indefinite length. A local, unprivileged user could use a specially crafted X.509 certificate DER file to crash the system or, potentially, escalate his or her privileges on the system.
Reference Number
CVE-2016-0758, PSR-2016-0054
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
  • HP ThinPro 4.4
  • HP ThinPro 5.0
  • HP ThinPro 5.1
  • HP ThinPro 5.2
  • HP ThinPro 5.2.1
BACKGROUND
CVSS 2.0 Base Metrics
Reference
Base Vector
Base Score
CVE-2016-0758
AV:L/AC:L/Au:N/C:C/I:C/A:C
7.2
Information on CVSS is documented in HP Customer Notice: HPSN­2008­002.
RESOLUTION
HP has released the following software updates to resolve the vulnerability. Patches for the affected version of HP ThinPro can be found through the links below:
...
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, visit http://www.hp.com/go/contacthp to learn about your HP support options.
Report: To report a potential security vulnerability with any HP supported product, send email to: hp-security-alert@hp.com.
Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via email, visit https://h41369.www4.hp.com/alerts-signup.php?lang=en&cc=US&jumpid=hpsc_profile.
Security Bulletin Archive: To view released Security Bulletins, search the HP Support Site for "security bulletin".
Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.
PI
HP Printing and Imaging
HF
HP Hardware and Firmware
GN
HP General Software
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:
Subject: get key
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."
REVISION HISTORY : Version:1 (rev.1) ­ 27 May 2016: Initial release; Version:2 (rev.2) - 18 July 2017 Updated all FTP URLs and added boilerplate reuse text.

HP Inc. 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 restorationThe information in this document is subject to change without notice.HP Inc. and the names of HP products referenced herein are trademarks of HP Inc. 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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