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CVE-2017-7549 Detail

Description

A flaw was found in instack-undercloud 7.2.0 as packaged in Red Hat OpenStack Platform Pike, 6.1.0 as packaged in Red Hat OpenStack Platform Oacta, 5.3.0 as packaged in Red Hat OpenStack Newton, where pre-install and security policy scripts used insecure temporary files. A local user could exploit this flaw to conduct a symbolic-link attack, allowing them to overwrite the contents of arbitrary files.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.4 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://www.securityfocus.com/bid/100407 Third Party Advisory  VDB Entry 
https://access.redhat.com/errata/RHSA-2017:2557
https://access.redhat.com/errata/RHSA-2017:2649
https://access.redhat.com/errata/RHSA-2017:2687
https://access.redhat.com/errata/RHSA-2017:2693
https://access.redhat.com/errata/RHSA-2017:2726
https://bugzilla.redhat.com/show_bug.cgi?id=1477403 Issue Tracking  Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-59 Improper Link Resolution Before File Access ('Link Following') cwe source acceptance level NIST  
CWE-377 Insecure Temporary File Provider acceptance level Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

11 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-7549
NVD Published Date:
09/21/2017
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.