Woorank robots-txt-guard lib/patterns.js makePathPattern redos

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Woorank robots-txt-guard. Affected by this vulnerability is the function makePathPattern of the file lib/patterns.js. Such manipulation of the argument Pattern leads to redos. This vulnerability is listed as CVE-2021-4305. In addition, an exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in Woorank robots-txt-guard (version unknown). It has been rated as problematic. Affected by this issue is the function makePathPattern of the file lib/patterns.js. The manipulation of the argument pattern 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 01/05/2023. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-4305. Technical details as well as a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1449.003.

The exploit is available at github.com. It is declared as proof-of-concept.

Applying the patch c03827cd2f9933619c23894ce7c98401ea824020 is able to eliminate this problem. The bugfix is ready for download at github.com.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: c03827cd2f9933619c23894ce7c98401ea824020

Timelineinfo

01/05/2023 🔍
01/05/2023 +0 days 🔍
01/05/2023 +0 days 🔍
01/28/2023 +23 days 🔍

Sourcesinfo

Product: github.com

Advisory: c03827cd2f9933619c23894ce7c98401ea824020
Status: Confirmed

CVE: CVE-2021-4305 (🔍)
GCVE (CVE): GCVE-0-2021-4305
GCVE (VulDB): GCVE-100-217448
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/05/2023 11:08
Updated: 01/28/2023 15:36
Changes: 01/05/2023 11:08 (44), 01/28/2023 15:31 (3), 01/28/2023 15:36 (28)
Complete: 🔍
Cache ID: 216::103

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