PYSEC-2017-152

Vulnerability from pysec - Published: 2017-09-21 21:29 - Updated: 2026-05-21 14:54
VLAI?
Details

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 ?
6.4 (Medium)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Impacted products
Name purl
instack pkg:pypi/instack
Aliases
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "PyPI",
        "name": "instack",
        "purl": "pkg:pypi/instack"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "7.2.0"
            },
            {
              "last_affected": "6.1.0"
            },
            {
              "last_affected": "5.3.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.0.9.dev4",
        "5.0.0",
        "5.0.0.0b1",
        "5.0.0.0b2",
        "5.1.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2017-7549"
  ],
  "details": "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.",
  "id": "PYSEC-2017-152",
  "modified": "2026-05-21T14:54:30.554896Z",
  "published": "2017-09-21T21:29:00.447Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.securityfocus.com/bid/100407"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2557"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2649"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2687"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2693"
    },
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2017:2726"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}


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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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