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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2019.0642 IBM Security Bulletin: IBM Cloud Private is affected by an issue with runc used by Docker 1 March 2019 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: IBM Cloud Private Publisher: IBM Operating System: Linux variants Impact/Access: Root Compromise -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2019-5736 Reference: ESB-2019.0612 ESB-2019.0606 ESB-2019.0498.3 ESB-2019.0488.2 ESB-2019.0458 ESB-2019.0428 Original Bulletin: http://www.ibm.com/support/docview.wss?uid=ibm10871642 - --------------------------BEGIN INCLUDED TEXT-------------------- IBM Cloud Private is affected by an issue with runc used by Docker Product: IBM Cloud Private Software version: All Versions Operating system(s): Linux Reference #: 0871642 Security Bulletin Summary IBM Cloud Private is affected by an issue with runc used by Docker. The vulnerability allows a malicious container to overwrite the host runc binary and thus gain root-level code execution on the host Vulnerability Details CVEID: CVE-2019-5736 DESCRIPTION: Runc could allow a local attacker to execute arbitrary commands on the system, cause by the improper handling of system file descriptors when running containers. An attacker could exploit this vulnerability using a malicious container to overwrite the contents of the host runc binary and execute arbitrary commands with root privileges on the host system. CVSS Base Score: 7.7 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/ 156819 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H) Affected Products and Versions IBM Cloud Private 3.1.x IBM Cloud Private 2.1.x Remediation/Fixes Users of the IBM Cloud Private supplied Docker packages should apply one of the the followingpatches based on their platform IBM Cloud Private - All Versions - Linux_x86 (Ubuntu, RHEL) o 2.1.0.1 o 2.1.0.2 o 2.1.0.3 o 3.1.0 o 3.1.1 o 3.1.2 IBM Cloud Private - All Versions - Linux_x86 (SLES) Links to Fix Central will be added when available IBM Cloud Private - All Versions - ppc64le(Ubuntu, RHEL) Links to Fix Central will be added when available IBM Cloud Private - All Versions - ppc64le (SLES) Links to Fix Central will be added when available IBM Cloud Private - All Versions - s390x (Ubuntu, RHEL) Links to Fix Central will be added when available IBM Cloud Private - All Versions - s390x (SLES) Links to Fix Central will be added when available IBM Cloud Private users who obtained Docker from other sources should obtain a patched versionfrom the appropriate vendor. Workarounds and Mitigations None Reference Complete CVSS v3 Guide On-line Calculator v3 runc GIT Repository Related Information IBM Secure Engineering Web Portal IBM Product Security Incident Response Blog Change History 22 February 2019 - original document published *The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin. Disclaimer According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. - --------------------------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. 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Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== 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 iQIVAwUBXHjAzGaOgq3Tt24GAQiCYRAAg4OOCsya1q9jkChbl6oGS5HgeJ+juRto RNxFN4hmzsA0zSqlQgRusmUibJdChoEp553TKVW2ykb8dfptHDOVpJL04MzXjsxx a9ZLzoppsmP+SSE1TlB8TES5c5HZD8RIzdDqZ15soP+tGe5N2Gg2sJzsL+2s7zL4 PfF9icTpBeXZHMZ2ifMcb6MiOV9zYUPrQuuv52USl4VFPQoNyaVCT1jGtmv78mJo nl/ojO+B1EaINuiN77m1LW3C2BhNfW63nZ03EmGyc2M4BcXdgF5KW6euSFthD+LY VoTBwtRmkXc4URbr4F5AxrwLMR0DmD3ojV3GWHN6TT/+nd/UCQlqzC26PurJYfw6 lhlruuMG8CjtGfsM3wcLKNm2IdqDmbsKmdnJg9M2waR7A7SxF1nv1wtqWhLRGdnw E+y0LUtmFimUPDH4L9FBwAtAVl7rOtl8ip1FplbJfc1FtLWPh54BmY3URARn2rNE VOWoIPwgqMfN1iHmgbRQVTRkh3z2+Iz2JYw850y+nNqo1UQ2XevJ5u+8zrSwT5KC ZXEqZ9LdriyPm7hFBTNgAT1kBffLnu0IlVlfsIDSF3gdnz/dwoc69RLALOkgs/Hm el8TRaIgZKaXYRVtQFRGM7u/mA1bXsHTC9DTeXUJLm3BMsCfK6aVKVl4Gl6SOUhT a+65Mq4+hCo= =AC0g -----END PGP SIGNATURE-----