#VU30722 Input validation error in Ratpack - CVE-2019-17513
Published: October 18, 2019 / Updated: July 17, 2020
Vulnerability identifier: #VU30722
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-17513
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ratpack
Ratpack
Software vendor:
Ratpack
Ratpack
Description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
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.
Remediation
Install update from vendor's website.
External links
- https://github.com/ratpack/ratpack/commit/c560a8d10cb8bdd7a526c1ca2e67c8f224ca23ae
- https://github.com/ratpack/ratpack/commit/efb910d38a96494256f36675ef0e5061097dd77d
- https://github.com/ratpack/ratpack/releases/tag/v1.7.5
- https://github.com/ratpack/ratpack/security/advisories/GHSA-mvqp-q37c-wf9j
- https://ratpack.io/versions/1.7.5