SSRF in GitLab

CVE-2019-5464

A flawed DNS rebinding protection issue was discovered in GitLab CE/EE 10.2 and later in the `url_blocker.rb` which could result in SSRF where the library is utilized.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.028 (85.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Gitlab
  • Gitlab Ce/ee — versions Affects GitLab CE/EE 10.2 and later, Fixed in 12.1.2 in 12.0.4 and in 11.11.6

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-5464?
CVE-2019-5464 is a critical-severity vulnerability in GitLab, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2020-01-28.
How severe is CVE-2019-5464?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-5464 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.