CVE-2019-17513 io.ratpack:ratpack-core vulnerable to Improper Neutralization of Special Elements in Output ('Injection')

High 7.5 Published Updated

Attackers can perform HTTP Response Splitting by injecting control characters into headers constructed from untrusted data in the Ratpack framework.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2019-17513?

CVE-2019-17513 is a high-severity vulnerability in n/a, published on 18 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Ratpack before 1.7.5. Due to a misuse of the Netty library class DefaultHttpHeaders, there is no validation that headers lack HTTP control characters. Thus, if untrusted data is used to construct HTTP headers with Ratpack, HTTP Response Splitting can occur.

Weakness: CWE-74

Which versions are affected by CVE-2019-17513?

2 open source packages ship an affected version, including io.ratpack:ratpack-core. It affects 1 product.

PackageAffectedFixed in
io.ratpack:ratpack-core MavenAll versions1.7.5
io.ratpack:ratpack-core MavenAll versions1.7.5

Products include Ratpack Project Ratpack.

How do I fix CVE-2019-17513?

Upgrade io.ratpack:ratpack-core to 1.7.5 or later.

Is CVE-2019-17513 being exploited?

There is no known exploitation of CVE-2019-17513 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-mvqp-q37c-wf9j.

Is CVE-2019-17513 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free