Zeek 4.1.0 request smuggling ⚔ [Disputed]

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Zeek 4.1.0. It has been classified as critical. Impacted is an unknown function. Performing a manipulation results in request smuggling. This vulnerability was named CVE-2021-41732. The attack may be initiated remotely. There is no available exploit. There is ongoing doubt regarding the real existence of this vulnerability.

Detailsinfo

A vulnerability classified as critical has been found in Zeek 4.1.0. This affects an unknown code block. The manipulation with an unknown input leads to a request smuggling vulnerability. CWE is classifying the issue as CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in zeek version 4.1.0. There is a HTTP request splitting vulnerability that will invalidate any ZEEK HTTP based security analysis. NOTE: the vendor's position is that the observed behavior is intended

The weakness was presented 09/30/2021 as 1798. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2021-41732 since 09/27/2021. Neither technical details nor an exploit are publicly available.

The real existence of this vulnerability is still doubted at the moment.

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 the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.2
CNA 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: Request smuggling
CWE: CWE-444
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

09/27/2021 🔍
09/30/2021 +3 days 🔍
09/30/2021 +0 days 🔍
08/04/2024 +1039 days 🔍

Sourcesinfo

Product: github.com

Advisory: 1798
Status: Confirmed
Disputed: 🔍

CVE: CVE-2021-41732 (🔍)
GCVE (CVE): GCVE-0-2021-41732
GCVE (VulDB): GCVE-100-183573

Entryinfo

Created: 09/30/2021 07:30
Updated: 08/04/2024 07:03
Changes: 09/30/2021 07:30 (35), 10/04/2021 08:24 (1), 06/05/2024 11:36 (33), 06/05/2024 13:24 (3), 08/04/2024 07:03 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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