BookStack unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability was found in BookStack. It has been declared as critical. This vulnerability affects unknown code. Executing a manipulation can lead to unrestricted upload. This vulnerability is registered as CVE-2021-3915. It is possible to launch the attack remotely. No exploit is available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in BookStack (version now known). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was published 11/13/2021. The advisory is shared for download at huntr.dev. This vulnerability was named CVE-2021-3915 since 10/30/2021. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1608.002.

Applying the patch ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ed 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

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.6
CNA Vector (huntr.dev): 🔍

CVSSv2info

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

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ed

Timelineinfo

10/30/2021 🔍
11/13/2021 +14 days 🔍
11/13/2021 +0 days 🔍
11/16/2021 +3 days 🔍

Sourcesinfo

Advisory: ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ed
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-3915 (🔍)
GCVE (CVE): GCVE-0-2021-3915
GCVE (VulDB): GCVE-100-186640

Entryinfo

Created: 11/13/2021 20:27
Updated: 11/16/2021 15:47
Changes: 11/13/2021 20:27 (47), 11/16/2021 15:47 (3)
Complete: 🔍
Cache ID: 216::103

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

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