charset up to 1.0.0 on Node.js DHTTP_MAX_HEADER_SIZE Regular Expression resource consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in charset up to 1.0.0 on Node.js. This affects an unknown part of the component DHTTP_MAX_HEADER_SIZE. Such manipulation as part of Regular Expression leads to resource consumption. This vulnerability is documented as CVE-2017-16098. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in charset up to 1.0.0 on Node.js (JavaScript Library) and classified as problematic. Affected by this issue is an unknown part of the component DHTTP_MAX_HEADER_SIZE. The manipulation as part of a Regular Expression leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

charset 1.0.0 and below are vulnerable to regular expression denial of service. Input of around 50k characters is required for a slow down of around 2 seconds. Unless node was compiled using the -DHTTP_MAX_HEADER_SIZE= option the default header max length is 80kb, so the impact of the ReDoS is relatively low.

The bug was discovered 09/08/2017. The weakness was released 06/07/2018 (Website). The advisory is available at github.com. This vulnerability is handled as CVE-2017-16098 since 10/29/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 271 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/08/2017 🔍
10/29/2017 +51 days 🔍
06/06/2018 +219 days 🔍
06/07/2018 +1 days 🔍
06/07/2018 +0 days 🔍
03/21/2023 +1748 days 🔍

Sourcesinfo

Advisory: 10
Status: Not defined

CVE: CVE-2017-16098 (🔍)
GCVE (CVE): GCVE-0-2017-16098
GCVE (VulDB): GCVE-100-119066

Entryinfo

Created: 06/07/2018 10:14
Updated: 03/21/2023 19:14
Changes: 06/07/2018 10:14 (58), 02/15/2020 19:26 (1), 03/21/2023 19:14 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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