# CVE-2017-12159: Keycloak CSRF Vulnerability

> Attackers can hijack authenticated Keycloak sessions due to non-unique CSRF cookies, leading to account takeover or data disclosure.

- **Severity:** High 7.5 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 26 Oct 2017
- **Updated:** 16 Sep 2024
- **Also known as:** CLEANSTART-2026-XS62872, GHSA-7fmw-85qm-h22p, MINI-5387-xrgm-5r86, MINI-5942-6869-9whp

## What is CVE-2017-12159?

CVE-2017-12159 is a high-severity vulnerability in Red Hat, Inc. keycloak, published on 26 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

It was found that the cookie used for CSRF prevention in Keycloak was not unique to each session. An attacker could use this flaw to gain access to an authenticated user session, leading to possible information disclosure or further attacks.

Weakness: CWE-613 (DEPRECATED: Insufficient Session Expiration)

## Which versions are affected by CVE-2017-12159?

2 open source packages ship an affected version, including org.keycloak:keycloak-parent. It affects 2 products.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `org.keycloak:keycloak-parent` | Maven | All versions | 3.4.0 |
| `org.keycloak:keycloak-parent` | Maven | All versions | 3.4.0 |

Products: Keycloak Keycloak, Redhat Single Sign On.

## How do I fix CVE-2017-12159?

Upgrade org.keycloak:keycloak-parent to 3.4.0 or later.

## Is CVE-2017-12159 being exploited?

There is no known exploitation of CVE-2017-12159 in the wild and no public exploit code.

## Other vulnerabilities in Red Hat, Inc. keycloak

- [CVE-2017-12161](https://insights.sbomify.com/CVE-2017-12161/): Moderate severity vulnerability that affects org.keycloak:keycloak-core (high 8.8)
- [CVE-2014-3709](https://insights.sbomify.com/CVE-2014-3709/): JBoss Keycloak CSRF Vulnerability (high 8.8)
- [CVE-2014-3651](https://insights.sbomify.com/CVE-2014-3651/): Keycloak vulnerable to uncontrolled resource consumption (high 7.5)
- [CVE-2017-12158](https://insights.sbomify.com/CVE-2017-12158/): Keycloak Reflected XSS (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-12159 and fix it if it is affected.

What it is: CVE-2017-12159 is a high-severity vulnerability in Red Hat, Inc. keycloak, published on 26 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-12159 in the wild and no public exploit code.

Affected packages and fixed versions:
- org.keycloak:keycloak-parent (Maven): affected all versions; fixed in 3.4.0
- org.keycloak:keycloak-parent (Maven): affected all versions; fixed in 3.4.0

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-12159/ (Markdown: https://insights.sbomify.com/CVE-2017-12159/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-12159
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-12159
- OSV: https://osv.dev/vulnerability/CVE-2017-12159

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-12159/
Summaries are generated and may contain mistakes; the official description above is the record.