Auth bypass in Firebirdsql Firebird

CVE-2017-6369

Insufficient checks in the UDF subsystem in Firebird 2.5.x before 2.5.7 and 3.0.x before 3.0.2 allow remote authenticated users to execute code by using a 'system' entrypoint from fbudf.so.

Vulnerability class: Broken Access Control

EPSS: 0.033 (87.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (vendor-advisory, Mailing List, x_refsource_DEBIAN)
  • cve@mitre.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2017-6369?
CVE-2017-6369 is a high-severity vulnerability in Firebirdsql Firebird, classified under Missing Authorization. CVSS score: 8.8/10. Published 2017-03-24.
How severe is CVE-2017-6369?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2017-6369 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.