VDB-143876 · CVE-2019-17513 · GCVE-0-2019-17513

Ratpack up to 1.7.4 Netty Library DefaultHttpHeaders Control Character input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Ratpack up to 1.7.4. The impacted element is the function DefaultHttpHeaders of the component Netty Library. Such manipulation as part of Control Character leads to input validation. This vulnerability is documented as CVE-2019-17513. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Ratpack up to 1.7.4. Affected by this issue is the function DefaultHttpHeaders of the component Netty Library. The manipulation as part of a Control Character leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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.

The weakness was released 10/18/2019 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2019-17513 since 10/11/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

Upgrading to version 1.7.5 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Ratpack

Version

License

open-source

Website

Product: https://github.com/ratpack/ratpack/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ratpack 1.7.5
Patch: github.com

Timelineinfo

10/11/2019 🔍
10/18/2019 +7 days 🔍
10/18/2019 +0 days 🔍
01/16/2024 +1551 days 🔍

Sourcesinfo

Product: github.com

Advisory: c560a8d10cb8bdd7a526c1ca2e67c8f224ca23ae
Status: Not defined

CVE: CVE-2019-17513 (🔍)
GCVE (CVE): GCVE-0-2019-17513
GCVE (VulDB): GCVE-100-143876

Entryinfo

Created: 10/18/2019 10:35
Updated: 01/16/2024 14:38
Changes: 10/18/2019 10:35 (40), 10/18/2019 10:40 (17), 01/16/2024 14:38 (6)
Complete: 🔍
Cache ID: 216::103