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SVG:Advisory-SVG-CVE-2017-1000367
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Advisory-SVG-CVE-2017-1000367
Title: EGI SVG Advisory [TLP:WHITE] 'Moderate' risk - sudo local root vulnerability CVE-2017-1000367 [EGI-SVG-CVE-2017-1000367] Date: 2017-06-06 Updated: Affected software and risk ========================== Vulnerability concerning sudo. Package : sudo CVE ID : CVE-2017-1000367 Privilege escalation vulnerability in sudo via improper get_process_ttyname() parsing. Although sudo is used in the CREAM-CE, it is under normal circumstances not exploitable by itself in a properly configured site. We are not aware of any other Grid-related uses of sudo that would be exploitable. See [R 1] Actions required/recommended ============================ Sites are recommended to update relevant components as soon as it is convenient. Sites should verify that they don't run an exploitable configuration of sudo (i.e. run sudo with a sudoers file that limits for example the list of allowed commands or only allows running as non-root users). Affected software details ========================= See [R 2], [R 3], [R 4], [R 5] More information ================ See [R 1], [R 2], [R 3], [R 4], [R 5] Component installation information ================================== Sites should see appropriate vendor sites. For Scientific Linux see [R 2] For RedHat see [R 3] For Ubuntu see [R 4] For Debian see [R 5] TLP and URL =========== ** WHITE information - Unlimited distribution - see https://wiki.egi.eu/wiki/EGI_CSIRT:TLP for distribution restrictions*** URL: https://wiki.egi.eu/wiki/SVG:Advisory-SVG-CVE-2017-1000367 Minor updates may be made without re-distribution to the sites Comments ======== Comments or questions should be sent to svg-rat at mailman.egi.eu If you find or become aware of another vulnerability which is relevant to EGI you may report it by e-mail to report-vulnerability at egi.eu the EGI Software Vulnerability Group will take a look according to the procedure defined in [R 6] References ========== [R 1] http://www.openwall.com/lists/oss-security/2017/05/30/16 [R 2] https://www.scientificlinux.org/?s=cve-2017-1000367 [R 3] https://access.redhat.com/security/cve/CVE-2017-1000367 [R 4] http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-1000367.html [R 5] https://security-tracker.debian.org/tracker/CVE-2017-1000367 [R 6] https://documents.egi.eu/public/ShowDocument?docid=2538 Credit ====== SVG was alerted to this vulnerability by Sven Gabriel Timeline ======== Yyyy-mm-dd [EGI-SVG-2017-CVE-2017-1000367] 2017-06-01 SVG alerted to this issue by Sven Gabriel 2017-06-01 Investigation of vulnerability and relevance to EGI carried out 2017-06-02 Unclear whether exploitable in EGI, but decided to send an alert ot sites 2017-06-06 Advisory/Alert sent to sites Context ======= This advisory has been prepared as part of the effort to fulfil EGI SVG's purpose "To minimize the risk to the EGI infrastructure arising from software vulnerabilities" The risk is that assessed by the group, according to the EGI SVG issue handling procedure [R 6] in the context of how the software is used in the EGI infrastructure. It is the opinion of the group, we do not guarantee it to be correct. The risk may also be higher or lower in other deployments depending on how the software is used. Others may re-use this information provided they:- 1) Respect the provided TLP classification 2) Credit the EGI https://www.egi.eu/ Software Vulnerability Group On behalf of the EGI SVG,