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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1410 HPSBHF3548 - Linux Kernel Flaw, ASN.1 DER decoder for x509 certificate DER files 6 June 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: HP ThinPro Operating System: Linux variants Impact/Access: Root Compromise -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2016-0758 Reference: ESB-2016.1183 Original Bulletin: https://h20565.www2.hp.com/hpsc/doc/public/display?docId=3Demr_na-c05158555 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Note: the current version of the following document is available here: https://h20565.www2.hp.com/hpsc/doc/public/display?docId=emr_na-c05158555 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c05158555 Version: 1 HPSBHF3548 - 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: 2016-06-01 Last Updated: 2016-06-01 Potential Security Impact: System downtime, or privilege escalation. Source: HP, HP Product Security Response Team (PSRT) 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. References: 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 For a PGP signed version of this security bulletin please write to: hp-security-alert@hp.com 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: HPSN-2008-002. 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: * HP ThinPro 5.2.1 ftp://ftp.hp.com/pub/tcdebian/updates/5.2.1/service_packs/ CVE-2016-0758-1.0-all-5.2.1-x86-SQ.xar * HP ThinPro 5.2 ftp://ftp.hp.com/pub/tcdebian/updates/5.2/service_packs/ CVE-2016-0758-1.0-all-5.2-x86-SQ.xar * HP ThinPro 5.1 ftp://ftp.hp.com/pub/tcdebian/updates/5.1/service_packs/ CVE-2016-0758-1.0-all-5.0-5.1-x86-SQ.xar * HP ThinPro 5.0 ftp://ftp.hp.com/pub/tcdebian/updates/5.1/service_packs/ CVE-2016-0758-1.0-all-5.0-5.1-x86-SQ.xar * HP ThinPro 4.4 ftp://ftp.hp.com/pub/tcdebian/updates/4.4/service_packs/ CVE-2016-0758-1.0-all-4.4-x86-SQ.xa r 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 Copyright 2016 Hewlett-Packard Development Company, L.P. 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. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXUf4DAAoJEPRuzn0I+N3ZubYP/AxGSC9bFA0WLn/YW1vTGgXS q3/Qkzs6DvKnAX4wGrnQDrag3I+4dmXbcGij1/0RpEt1cJlMnFsxIpW7iw59SFUL oyav0lhBM8U3Rxm9TYNJ1vsZV4I/kfv02Kpxq2t8DURlD1grfd7jngvnWHNJKtph GvwRQh5Do3HFPMJkRPBZ4151QTSmKM5piY+JHBQ+7PsCNL+UMk2R6XTKTLtZRcek /jDVSQD+bsy5W9wB77a/iXLuS3vJhUlCj0YFF3iyCgONzHQlltSVv/ag+U0ipCM7 6lXAdHuyT8tJvzMqf0+DD1EfCXn5yYQkbuv3U0h25/traxL7PbaB777Y6K8rGC35 pzCtImEs/1UYpwnDL5q0V/z+v5NQPOrcfeGmVzSNVNE7YpxoPLbqlz2bSTh4rElo xVZppSLV5+ScSyAd4mFDFqBDc7mzYS9tOTbcpY8oQdIco7WrveU5XXtQ7pTYFiVj k+KxNv46wlaKu4Iq4fhw9ewyTrx5pNeuRVTJs5nmwg9EmGlKR27xM3RAaImYqNfb 9VPQaMez3WdTYPQLn/7splE52T2R99+XI3VQk2Cnf4XzSHr+CHaBSnJnKFDzUq/r E5BX0E30ioehpIoOcA+iBVgoWgpcS3SUvFp9sf3+SsOvx7dOwkrl9q/aIC6UkIhz nrZvNJHfykPBA/TRln49 =N43S - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBV1Tab4x+lLeg9Ub1AQhusBAAov5QbaucIPAw0vBtIm924CsA3RVNTKNq JE88QXmcgeI47O+XN96ISs4Ys7NMZnE1GXHk4QtylbPBBjNoDlBLOTmnHaQK8dnE DVPxbhxdCgcLR1f8eRBcF8+65YbXda+xwQC5zGPx5Hjj2Xb32Cs+Ev/xnAC49JLt FCfYu2Nc/o54GCLXgpYZbutI8iD4wgJE/z9sV9Pi7ioT8DJan3y3P3wa4Nky5RD+ rzvWr4SfRwjAGcjzqD2FrIQ9bDVwWoYShKkaB/l9/8ptV8B86NprOM+LEgDNPvwP w/uQQ0fKRfKAcWANQt0Bfx5HM7nO2lkjz7QgU8YRaWxUVXRbxw0i7rZ0USlye4ag t5Qzm8o+FmvKsrU0Fn7ySUsVa3LxIKGGMVeLdVw3rD5d6IcLlQn7Xwwy4j2KqtsT ouZZNTJ/K+SXW29G31I7LXkb6LIkmUn+NnE1S/66Q8mX7dMjS2jJDewWFUtwEPVT g1KHN32epon41ejzc0uW8/Liq2MmcVmpBz9tAgltBKHxNGq2usQKT9PgqdLIFw2k FOXUPkuUlUJynHaFIWM7GfNYjEDO1j+T1TGE7y1+sPorsBxG7gJcQq3/lJzqiw+G IAx+5J/1y794BUQHyO1Bu11n2nqfyG91x10MKwQeG1AWwK7c7dDs8vbalTeBHXIi K402gSMcin8= =5Fqd -----END PGP SIGNATURE-----