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  5. CVE-2018-15727

CVE-2018-15727: Improper Authentication

February 15, 2022 (updated October 2, 2023)

Grafana 2.x, 3.x, and 4.x before 4.6.4 and 5.x before 5.2.3 allows authentication bypass because an attacker can generate a valid “remember me” cookie knowing only a username of an LDAP or OAuth user.

References

  • access.redhat.com/errata/RHSA-2018:3829
  • access.redhat.com/errata/RHSA-2019:0019
  • github.com/advisories/GHSA-rgjg-66cx-5x9m
  • github.com/grafana/grafana/commit/7baecf0d0deae0d865e45cf03e082bc0db3f28c3
  • github.com/grafana/grafana/commit/df83bf10a225811927644bdf6265fa80bdea9137
  • grafana.com/blog/2018/08/29/grafana-5.2.3-and-4.6.4-released-with-important-security-fix/
  • nvd.nist.gov/vuln/detail/CVE-2018-15727
  • www.securityfocus.com/bid/105184

Code Behaviors & Features

Detect and mitigate CVE-2018-15727 with GitLab Dependency Scanning

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Affected versions

All versions before 4.6.4, all versions starting from 5.0.0 before 5.2.3

Fixed versions

  • 4.6.4
  • 5.2.3

Solution

Upgrade to versions 4.6.4, 5.2.3 or above.

Impact 9.8 CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-287: Improper Authentication

Source file

go/github.com/grafana/grafana/CVE-2018-15727.yml

Spotted a mistake? Edit the file on GitLab.

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