CVE-2017-7549
21.09.2017, 21:29
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.
| Vendor | Product | Version |
|---|---|---|
| openstack | instack-undercloud | 7.2.0 |
| openstack | instack-undercloud | 6.1.0 |
| openstack | instack-undercloud | 5.3.0 |
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= Vulnerable software versions
Common Weakness Enumeration
- CWE-377 - Insecure Temporary FileCreating and using insecure temporary files can leave application and system data vulnerable to attack.
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.
References