VDB-220058 · CVE-2018-25079 · ID 18

Segmentio is-url up to 1.2.2 index.js redos

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been declared as problematic. This vulnerability affects unknown code of the file index.js. Such manipulation leads to redos. This vulnerability is listed as CVE-2018-25079. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown processing of the file index.js. The manipulation with an unknown input leads to a redos vulnerability. Using CWE to declare the problem leads to CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. Impacted is availability.

The weakness was presented 02/02/2023 as 18. The advisory is available at github.com. This vulnerability is handled as CVE-2018-25079. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1449.003 by the MITRE ATT&CK project.

Upgrading to version 1.2.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 149550935c63a98c11f27f694a7c4a9479e53794 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version. The advisory contains the following remark:

As disclosed by email, the regex in this module was vulnerable to catastrophic backtracking. This could be used as a REDOS vector for Node.js servers that use this module.

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

Productinfo

Vendor

Segmentio

Name

is-url

Version

License

open-source

Website

Product: https://github.com/segmentio/is-url/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / 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: 🔍

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: is-url 1.2.3
Patch: 149550935c63a98c11f27f694a7c4a9479e53794

Timelineinfo

02/02/2023 🔍
02/02/2023 +0 days 🔍
02/02/2023 +0 days 🔍
03/04/2023 +30 days 🔍

Sourcesinfo

Product: github.com

Advisory: 18
Status: Confirmed

CVE: CVE-2018-25079 (🔍)
GCVE (CVE): GCVE-0-2018-25079
GCVE (VulDB): GCVE-100-220058

Entryinfo

Created: 02/02/2023 20:58
Updated: 03/04/2023 09:07
Changes: 02/02/2023 20:58 (44), 03/04/2023 09:07 (2)
Complete: 🔍
Cache ID: 216::103