CVE-2019-5464 Server-side request forgery in GitLab CE/EE
An attacker can exploit flawed DNS rebinding protection in GitLab to perform Server-Side Request Forgery, potentially accessing internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-5464?
CVE-2019-5464 is a critical server-side request forgery vulnerability in Gitlab Gitlab, published on 28 Jan 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2019-5464?
It affects 1 product.
Products include Gitlab Gitlab.
How do I fix CVE-2019-5464?
No fix has been published for CVE-2019-5464 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2019-5464 being exploited?
There is no known exploitation of CVE-2019-5464 in the wild and no public exploit code.
Other vulnerabilities in Gitlab Gitlab
- CVE-2026-97229 GitLab Community Edition and Enterprise Edition Integer Overflow or Wraparound
- CVE-2026-85706 GitLab Community Edition and Enterprise Edition Path Traversal
- CVE-2023-7028 GitLab Community and Enterprise Editions Improper Access Control
- CVE-2021-22205 GitLab Community and Enterprise Editions Remote Code Execution
- CVE-2021-39935 GitLab Community and Enterprise Editions Server-Side Request Forgery (SSRF)
Sources
Also known as GHSA-4736-r24c-m444.