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CVE-2017-7549 (GCVE-0-2017-7549)

Vulnerability from cvelistv5 – Published: 2017-09-21 20:00 – Updated: 2024-08-05 16:04
VLAI
Summary
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
CWE
Assigner
References
URL Tags
https://access.redhat.com/errata/RHSA-2017:2726 vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/100407 vdb-entryx_refsource_BID
https://access.redhat.com/errata/RHSA-2017:2649 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2687 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2557 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2017:2693 vendor-advisoryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=1477403 x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
Red Hat, Inc. instack-undercloud Affected: Pike, 12: v7.2.0, Ocata, 11: v6.1.0, Newton, 10: v5.3.0
guessed Create a notification for this product.
Date Public
2017-08-14 00:00
Show details on NVD website
To clipboard 

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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Issue Tracking",
              "Vendor Advisory"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1477403"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-377"
              }
            ],
            "source": "secalert@redhat.com",
            "type": "Secondary"
          },
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-59"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:15:24+00:00",
      "cve": "CVE-2017-7549",
      "id": "CVE-2017-7549",
      "initial_release_date": "2017-08-14T00:00:00+00:00",
      "product_status:fixed": "10",
      "product_status:known_affected": "7",
      "product_status:known_not_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "instack-undercloud: uses hardcoded /tmp paths",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-7549.json",
      "version": "3"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.